A soil deficient in humus would have unusually low levels of biological activity. Soil humus is the dark brown or black-colored organic matter that has undergone partial decomposition. It is found in the topsoil layer and comprises the majority of soil organic matter.
The soil's organic matter content, which includes soil humus, is critical to soil fertility and plant growth. Humus helps in retaining soil moisture, improving soil structure and porosity, and promoting the activity of soil microorganisms and earthworms.The biological activity in soil depends on the presence of soil humus. Soil microbes, earthworms, and other soil-dwelling organisms break down organic matter in the soil, which helps to release nutrients for plant growth. These microorganisms require a steady supply of organic matter to survive, which can be found in soil humus.
In general, soils that are deficient in humus will have lower levels of biological activity as there is insufficient organic matter available to support the microbial population and other soil organisms.
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which of the following statements is (are) consistent with what is known about membranes?(select all that apply.)the compositions of the inner and outer lipid layers are the same in any individual membrane.a membrane consists of a layer of proteins sandwiched between two layers of lipids.the whole bilayer arrangement is held together by noncovalent interactions.lipid bilayers are an important component of membranes.
The following statements are consistent with what is known about membranes:the whole bilayer arrangement is held together by noncovalent interactions, and lipid bilayers are an important component of membranes.Each statement can be explained as follows:
The whole bilayer arrangement is held together by noncovalent interactions:In a lipid bilayer, the whole bilayer arrangement is held together by noncovalent interactions, including hydrogen bonds, electrostatic interactions, and van der Waals interactions.
This allows for a dynamic structure in the bilayer that can allow proteins to move laterally, while still remaining part of the same bilayer.Lipid bilayers are an important component of membranes:
Lipid bilayers form a critical component of biological membranes, including cell membranes and organelle membranes. In these membranes, the bilayer separates the interior of the cell or organelle from the surrounding environment, while still allowing for the controlled transport of molecules in and out of the cell/organelle.
This is achieved through the presence of channels, transporters, and other proteins that can interact with the lipid bilayer in a variety of ways.
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Assume you are working as an intern for the local council which is wanting to promote healthy eating to its community. Your task is to prepare a report on "How to get the most vitamins and minerals from supermarket foods?" You are requested to cover the following .... a. What factors can damage or reduce vitamins in food? (2 marks) b. How does food processing affect vitamin and mineral content? Does the type of processing make a difference? Use an example ... whole grains foods vs refined grains foods. (4 marks) c. When storing fruits and vegetables at home, what steps can consumers take to minimize nutrient losses? Explain briefly why (2 marks) d. Which cooking methods are best for preserving vitamin content? Why? (2 marks)
Heat, light, air, and food processing can damage or reduce vitamins in food. Proper storage, cooking methods, and choosing whole grains can help preserve the vitamin content.
A. Factors that damage or reduce vitamins in food are heat, light, and air. These factors are the main culprits in vitamin and mineral degradation. For example, Vitamin C is very sensitive to heat and is easily destroyed when food is cooked for long periods or at high temperatures.
It is recommended to cook food quickly with minimal heat exposure to help prevent vitamin loss.
B. Food processing can affect the vitamin and mineral content of food. Processing can reduce the nutritional content of food, and the type of processing can make a difference.
Whole grain foods contain more vitamins and minerals than refined grain foods. When grains are refined, the outer layer containing vitamins and minerals is removed, leaving a less nutritious product.
Whole grains contain more fiber, vitamins B and E, and minerals such as zinc, iron, and magnesium. Therefore, whole grains foods are better for vitamin and mineral content.
C. Consumers can take steps to minimize nutrient losses when storing fruits and vegetables at home. The main factors that cause nutrient loss are exposure to air, light, and heat. Therefore, it is recommended to store fruits and vegetables in a cool, dry place.
It is also recommended to store them in airtight containers or wrap them in plastic to prevent exposure to air. Finally, it is recommended to store them away from light to prevent the breakdown of vitamins such as Vitamin C.
d. Cooking methods that are best for preserving vitamin content are steaming, microwaving, and stir-frying. These methods use minimal water and cook food quickly, which helps to preserve the vitamins.
Boiling, on the other hand, can cause vitamin loss because vitamins can dissolve in water. It is also recommended to cook vegetables whole or in large pieces to help preserve vitamins. Cutting vegetables into small pieces can increase the surface area exposed to heat and air, which can cause nutrient loss.
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regarding the electrical conduction system of the heart; where does the most distal electrical conduction impulse occur?
The electrical conduction system of the heart consists of various components that coordinate the cardiac muscle cells to contract and relax, thus maintaining blood circulation in the body. The entire conduction system of the heart initiates with the sinoatrial (SA) node that is located in the right atrium.
The SA node is the primary pacemaker that generates electrical impulses at regular intervals of time, which spreads throughout the atria and causes the atrial contraction. Atrioventricular (AV) node follows the SA node, which is located in the inferior part of the interatrial septum, closer to the tricuspid valve. The AV node acts as a gatekeeper and slows down the conduction velocity of electrical impulses, thus facilitating atrial filling and ventricular contraction.
The bundle of His follows the AV node, which divides into the left and right bundle branches and descends into the interventricular septum. These branches further divide into the Purkinje fibers that distribute the electrical impulses throughout the ventricles, causing their contraction.The most distal electrical conduction impulse occurs in the Purkinje fibers. These fibers are specialized muscle fibers that are located in the myocardium, and they conduct electrical impulses at a faster rate than other cardiac muscle cells.
This fast conduction velocity of the Purkinje fibers allows rapid and synchronized ventricular contraction, which is necessary for efficient blood ejection into the aorta and pulmonary artery. Hence, the Purkinje fibers play a vital role in maintaining the proper functioning of the heart.
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Which of the following is a nonrenewable resource?
O A. Hydropower
O B. Biomass
O C. Natural gas
O D. Wind
Answer:
natural gas is the answer
Answer:
c
Explanation:
I think I hope this helps you
without enough protein, the body may become more susceptible to infection due to inability to manufacture a. antagonists b. antigens c. antibodies d. antidiuretic hormone e. antioxidants
Proteins are significant for a healthy immune system. The body may become more susceptible to infection without enough protein due to an inability to manufacture antibodies.
More than 100 words of explanation is given below:
Protein is a vital nutrient required for the growth and repair of cells, muscles, tissues, and organs. It plays a significant role in a healthy immune system. The human body has two main types of protein: antibodies and complement proteins. Antibodies are immunoglobulins (Ig), which are large Y-shaped proteins. These are produced by the body's immune system to defend the body against foreign substances like bacteria, viruses, and other pathogens. They recognize specific foreign antigens and neutralize them by binding to them.
The complement system is a group of more than 20 proteins that work together to destroy bacteria and other pathogens. These complement proteins can kill bacteria directly or tag them for destruction by other cells in the immune system.
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are organisms and cells they same thing
Answer:
Cells as Building Blocks
A cell is the smallest unit of a living thing. A living thing, whether made of one cell (like bacteria) or many cells (like a human), is called an organism. Thus, cells are the basic building blocks of all organisms. ... Several systems that function together form an organism (like a human being).
so the answer is Yes
Explanation:
Answer:
No.
Explanation:
Organisms are living things such as animals, plants (multicellular) and protists, bacteria, and archaea (unicellular) while cells are what the living things are made up of. Cells are a much smaller unit of life than organisms.
which of the following should be subtracted from net income in computing net cash flows from operating activities using the indirect method?
When using the indirect method to calculate net cash flows from operating activities, the following items should be subtracted from net income:
Depreciation and amortization expenses: These are non-cash expenses that reduced net income but do not involve an outflow of cash.
Losses on the sale of assets: If there were any losses incurred in selling assets, they should be subtracted as they represent a reduction in net income without involving an actual cash outflow.
Decrease in current assets (excluding cash): A decrease in current assets such as accounts receivable or inventory indicates a reduction in funds tied up in these assets, resulting in an increase in cash flow.
Increase in current liabilities (excluding interest-bearing debt): An increase in current liabilities like accounts payable or accrued expenses indicates additional funds being generated from suppliers or deferred payments, leading to an increase in cash flow.
It's important to note that increases in current assets (excluding cash) and decreases in current liabilities should be added back to net income, as they represent a reduction in cash flow. Conversely, decreases in current assets and increases in current liabilities should be subtracted from net income.
It's always recommended to consult accounting standards and guidelines specific to your jurisdiction or seek professional advice when preparing financial statements and determining cash flow calculations.
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In the image of the cell, letter C is the control center of the cell. Please identify this organelle
Answer:
nucleus
Explanation:
all the functions in the cell are under the control of nucleus
which of the following statement or statements regarding simple diffusion is/are true? group of answer choices simple diffusion is limited by distance. simple diffusion requires a carrier protein. in simple diffusion, particles move from a high concentration to an area of low concentration. both b and c are true both a and c are true.
Simple diffusion is the movement of molecules from an area of high concentration to an area of low concentration until the equilibrium is achieved. It is the movement of molecules down a concentration gradient without the requirement of energy or carrier proteins. It occurs across the cell membrane until the concentrations on both sides become equal.
Regarding simple diffusion, it can be said that both a and c are true. Simple diffusion is limited by distance, which means that the rate of diffusion slows down with increasing distance between the point of origin and the point of diffusion. The greater the distance, the longer the time taken to reach the point of diffusion. Hence, this statement is true.
In simple diffusion, particles move from an area of high concentration to an area of low concentration. This is because the molecules are constantly moving and colliding with one another, which results in the distribution of the molecules. Therefore, the concentration of molecules becomes uniform across space, and the particles keep moving until they reach equilibrium.
On the other hand, the statement that simple diffusion requires a carrier protein is false. Simple diffusion does not require a carrier protein as it moves across the phospholipid bilayer of the membrane by simple means. Hence, option (E) is not true.
Therefore, both (A) and (C) are true regarding simple diffusion.
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bio refers to what ? water earth life temperature
Answer:
Bio refers to everything related to living beings or life.
Explanation:
Bio- is a prefix that relates to life, organisms and related processes. It is common to find this prefix in terms such as biotic —related to the living elements of an ecosystem— biology, which is the science that studies living beings or biography, which is the written record of a person's life.
Inanimate or non-living elements are not designated by words formed by this prefix, however, terms such as biochemistry, biomolecules or bioenergetic serve to relate chemical and physical processes or elements to living beings.
Regarding other options:
Water is designated by the prefix hydro. Earth uses the prefix geo. The prefix thermo is applied to the temperature related.in mice, b refers to brown fur and b refers to white fur. if an individual mouse is heterozygous, what would be the phenotype?
In mice, b refers to brown fur and B refers to white fur. If an individual mouse is heterozygous, then the phenotype of the mouse would be brown fur. This is because the brown fur allele is dominant over the white fur allele in mice. A heterozygous mouse has one copy of the brown fur allele (b) and one copy of the white fur allele
(B). Since the brown fur allele is dominant, it will be expressed in the phenotype of the mouse.
To explain this concept further, let's look at the genotypes of the three possible scenarios for fur color in mice:
- Homozygous dominant (BB): This mouse has two copies of the white fur allele and will have white fur.
- Heterozygous (Bb): This mouse has one copy of the brown fur allele and one copy of the white fur allele. Since brown fur is dominant, the mouse will have brown fur.
- Homozygous recessive (bb): This mouse has two copies of the brown fur allele and will have brown fur.
So, in summary, if an individual mouse is heterozygous (Bb) for fur color, then the phenotype of the mouse would be brown fur, as the brown fur allele is dominant over the white fur allele.
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mni estimations based on 413 right clavicles, 312 left clavicles, 240 right femurs and 300 left femurs of the same species would represent how many animals?
Based on the given information, the estimation of the number of animals can be made as follows:Firstly, we need to find the total number of clavicles. It is given that there are 413 right clavicles and 312 left clavicles of the same species.
Thus, the total number of clavicles is:Total number of clavicles = Number of right clavicles + Number of left clavicles= 413 + 312= 725Next, we need to find the total number of femurs. It is given that there are 240 right femurs and 300 left femurs of the same species.
Thus, the total number of femurs is:Total number of femurs = Number of right femurs + Number of left femurs= 240 + 300= 540Finally, we add the total number of clavicles and femurs to get the total number of bones of the same species:Total number of bones = Total number of clavicles + Total number of femurs= 725 + 540= 1265Since each animal has two clavicles and two femurs, the number of animals represented by the given bones can be estimated as follows:Total number of animals = Total number of bones ÷ 4= 1265 ÷ 4= 316.25.
Therefore, based on the given data, the estimation suggests that the bones of 316.25 animals of the same species are present. This estimation is not exact and is based on the assumption that each animal has two clavicles and two femurs.
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Analyze the polymer polypropylene. Three dots then C connected by single lines to H above and C H subscript 3 below. Then a single line to a C connected by single lines to one H each above and below. Then a single line to a C connected by single lines to H above and C H subscript 3 below. Then a single line to a C connected by single lines to one H each above and below. Then a single line to a C connected by single lines to H above and C H subscript 3 below. Then a single line to a C connected by single lines to one H each above and below. Then three dots. Which element forms the skeleton of this polymer? carbon copper hydrogen oxygen
Answer:
CARBON!
Explanation:
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According to polymerization reactions, as polymers are mainly composed of carbon the skeleton of polypropylene is made up of carbon.
What are polymerization reactions?The reactions in which large number of monomer molecules react to form polymer are called polymerization reactions.The large molecules which are produced from polymerization may have linear or branched structure.
They can also form a complex three dimensional structure . There are different polymerization reactions like step-growth polymerization, chain -growth polymerization and condensation polymerization.
Polymers containing same kind of monomer are homopolymer and which contain different monomers are heteropolymers. Mechanisms which describe formation of polymers are of different types such as free radical mechanism and chain growth mechanisms.
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Before cells can divide what must be copied?
Answer:
Nucleotide must be copied before cells can divide.
Okay, can someone please explain to me bony fish and cartileginous fish? And also gaseous exchange in frogs. (please don't spam for points, that's not very nice) Also please like, dumb it down a bit if that's not too much to ask.
Answer:
I do not know the answer to "please explain to me bony fish and cartilaginous fish?"I have no idea what ur asking, are u saying to define their features? But for the gaseous exchange with frogs:Frog respiration
Explanation:
The frog has three respiratory surfaces on its body that it uses to exchange gas with the surroundings. If u need me to explain more about frog respiration please dont hesitate to ask
Hope this helps!-jade
What is the best method for describing and mapping terrestrial biomes? Biome Metric System (BMS) There's no standardized method, so the best method is to evaluate climatic conditions and the dominant form of vegetation International System of Biomes (ISB) Universal Biome System (UBS) There's no standardized method, so the best method is to evaluate human uses and valuation of the area
The best method for describing and mapping terrestrial biomes typically involves evaluating climatic conditions and the dominant form of vegetation. This approach is widely used and forms the basis for various classification systems, including the Köppen-Geiger climate classification system and the Holdridge life zone classification system. These systems consider factors such as temperature, precipitation, and vegetation types to classify and map different biomes.
While there is no universally standardized method for describing and mapping biomes, the evaluation of climatic conditions and vegetation provides a robust and scientifically grounded approach. It allows for the identification of distinct biomes based on their ecological characteristics and helps understand the distribution of different biomes across the Earth's surface.
Other approaches, such as the International System of Biomes (ISB) or Universal Biome System (UBS), may incorporate additional factors or emphasize human uses and valuation of the area. These approaches may be more focused on human perspectives or conservation priorities rather than purely ecological considerations. However, when it comes to a scientific understanding of biomes, evaluating climatic conditions and vegetation remain key factors.
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Which of the following is the best example of kinetic energy?
A.A book sitting on a bookshelf
B.A golfer preparing to putt the ball
C.A race car in position at the start line
D.A satellite orbiting the Earth
Learning Objectives To recognize a chick embryo at this stage of development. To identify the structures that have developed at this stage of embryonic development. INTRODUCTION At this stage of incubation, the neural tube subdivides into the three primary vesicles of the brain. The most rostral of these vesicles, the prosencephalon presents a triangular shape due to further subdivision that presage the formation of the optic vesicle. MATERIALS . Compound microscope Prepared slides ACTIVITY Examine a whole mount of a 33-hour chick embryo with the lowest magnification possible, draw and label. Identify the following structures: 1. Proamnion- is much reduced in size because of the invasion of the mesoderm into it 2. Neuraltube-has closed by the dorsal fusion of the neural folds. The tube is now divided into 3 primary brain vesicles. a. Procencephalon - the cavity is called prosoceple b. Mesencephalon- the cavity is known as mesoceple. c. Rhombencephalon - the cavity is called rhombeceple 3. Optic vesicles-paired lateral outgrowths of the prosencephalon. The cavities (opticegle) of the optic vesicles are continuous with the cavity (prosoceole) of the prosencephalon 4. Infundibulum -a depression in the floor of the prosencephalon. This is visible from the ventral view of the whole embryo. To locate it, invert the whole mount so that the top dorsal surface is underneath while the ventral surface is topmost and facing the objective lens. 5. Foregut-appears as almost rectangular structure with a blind pointed anterior end. The tip of the foregut lies in contact with the injudibulum, The caudal opening
At this stage of incubation in a 33-hour chick embryo, the neural tube undergoes further subdivision into three primary brain vesicles: the prosencephalon, mesencephalon, and rhombencephalon.
The prosencephalon gives rise to the optic vesicles, which are paired lateral outgrowths. The cavity of the prosencephalon is called the prosoceole. Additionally, the infundibulum, a depression in the floor of the prosencephalon, and the foregut, a rectangular structure with a blind pointed anterior end, can be identified.
In a 33-hour chick embryo, the neural tube has closed by the dorsal fusion of the neural folds. The neural tube is now divided into three primary brain vesicles. The most rostral vesicle is the prosencephalon, which appears triangular in shape. From the prosencephalon, paired lateral outgrowths called the optic vesicles develop. The cavities of the optic vesicles, known as opticegles, are continuous with the cavity of the prosencephalon, called prosoceole.
The mesencephalon, the middle brain vesicle, and the rhombencephalon, the hindbrain vesicle, can also be observed. The cavity of the mesencephalon is called mesoceple, and the cavity of the rhombencephalon is called rhombeceple.
Other structures that can be identified in the 33-hour chick embryo include the infundibulum, which is a depression in the floor of the prosencephalon. This structure can be seen from a ventral view of the whole embryo.
The foregut is another distinguishable structure, appearing almost rectangular with a blind pointed anterior end. The tip of the foregut lies in contact with the infundibulum, and the caudal opening can be observed.
By examining a whole mount of the 33-hour chick embryo under a compound microscope, these structures can be identified, labeled, and further studied to understand the developmental stages and processes occurring during chick embryogenesis.
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scientists have observed that blood sugar levels rose by different amounts in the two individuals even though they were given identical portions of bananas and cookies. these results were obtained because
Scientists have observed that blood sugar levels rose by different amounts in the two individuals even though they were given identical portions of bananas and cookies. These results were obtained because the glycemic index of the banana and the cookie is different.
The glycemic index is a scale used to rank the food items based on their effects on blood sugar levels. The food with a high glycemic index increases blood sugar levels more quickly and higher than the food with a low glycemic index. In general, high glycemic index foods are made up of simple carbohydrates that are broken down quickly by the body.
Cookies are made up of simple carbohydrates, and they have a high glycemic index. When you eat a cookie, your body breaks it down quickly and releases glucose into the bloodstream. This causes a spike in blood sugar levels, and the levels fall rapidly after that.
Bananas, on the other hand, are made up of complex carbohydrates, and they have a low glycemic index. Complex carbohydrates take longer to break down, and the body releases glucose into the bloodstream more slowly and steadily.
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The observed differences in blood sugar levels could be due to variations in the individuals' metabolic rates, insulin sensitivity, or other physiological factors that affect the way their bodies process and respond to different types of food.
Each person has a unique metabolism that determines how their body processes and utilizes nutrients, including carbohydrates from bananas and cookies.
Factors such as insulin sensitivity, the efficiency of glucose uptake by cells, and the rate of carbohydrate digestion and absorption can vary among individuals.
These variations can result in different blood sugar responses even when consuming the same amount of food.
Additionally, the composition and nutritional content of the bananas and cookies may differ. For example, the glycemic index (GI) of foods, which measures how quickly they raise blood sugar levels, can vary.
If one food has a higher GI than the other, it can lead to a more significant spike in blood sugar levels.
Other factors like individual differences in gut microbiota, physical activity levels, and overall health can also influence blood sugar responses. Therefore, it is expected to observe variations in blood sugar levels between individuals, even when consuming identical portions of food.
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Due to Jane Goodall's research on chimpanzees, scientists better understand
Answer: How to protect them
Explanation:
WILL GIVE BRAINLIEST
Explain in six sentences , using the following words:
Alcoholic fermentation gas production glycolysis ATP and carbon dioxide
Answer this : how does yeast create energy to perform their cellular activities ?
Answer: Yeast is a single-celled fungus, which is alive and must make its own energy to survive. The yeast in your bread uses a process called cellular respiration, where glucose is converted to ATP and carbon dioxide. ... The yeast produces this gas and the bread puffs up, incorporating the gas in between the flour.
Explanation:
What is the fundamental source of energy in the food you eat?
A.sun
B.sugar
C.photosynthesis
D.plants
Water in a pond is a living thing.
O True
O False
Answer:
false
Explanation:
the water is not living, the bacteria in the pond water is
Describe the journey of a single-pass plasma membrane protein, from its synthesis until its installation on the plasma membrane.
key terms: signal SRP, start- and stop-transfer sequences, vesicles
The journey of a single-pass plasma membrane protein begins with its synthesis on the ribosomes in the rough endoplasmic reticulum (ER).
During synthesis, a signal sequence directs the protein to the ER membrane, where it is recognized by the signal recognition particle (SRP). The SRP helps in targeting the ribosome-mRNA-polypeptide complex to the ER membrane. Once at the ER, the protein is inserted into the membrane through the start-transfer sequence and guided across the membrane by a hydrophobic region.
The process continues until the stop-transfer sequence halts the translocation, anchoring the protein in the membrane. Finally, the protein is transported via vesicles to the Golgi apparatus and then to the plasma membrane for installation. The journey of a single-pass plasma membrane protein begins with its synthesis on ribosomes attached to the rough endoplasmic reticulum (ER).
As the protein is synthesized, it contains a signal sequence that acts as a tag for the ER targeting. The signal sequence directs the protein to the ER membrane, where it is recognized by the signal recognition particle (SRP). The SRP binds to the signal sequence and pauses protein synthesis, allowing the ribosome-mRNA-polypeptide complex to be targeted to the ER membrane.
Once at the ER membrane, the protein is inserted into the lipid bilayer through the start-transfer sequence. The start-transfer sequence contains a hydrophobic region that enables the protein to anchor into the membrane. The hydrophobic region acts as a signal for translocation, guiding the protein across the ER membrane until the stop-transfer sequence is encountered. The stop-transfer sequence halts translocation, and the protein becomes anchored in the membrane.
After insertion into the ER membrane, the protein may undergo further modifications and folding. It is then packaged into transport vesicles and transported from the ER to the Golgi apparatus. From the Golgi apparatus, the protein is further processed and sorted before being transported to the plasma membrane for installation. The vesicles fuse with the plasma membrane, releasing the protein and incorporating it into the cell's surface.
Overall, the journey of a single-pass plasma membrane protein involves its synthesis on the ER, targeting to the ER membrane with the help of the SRP, insertion into the membrane through the start-transfer sequence, translocation across the membrane, anchoring through the stop-transfer sequence, transport via vesicles to the Golgi apparatus, and finally installation on the plasma membrane.
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which organ contains lymphoid tissue and is considered to be a central or peripheral organ of the immune system
The organ that contains lymphoid tissue and is considered to be a central organ of the immune system is the thymus. It is found in the upper chest, just below the neck and above the heart. The thymus is a small gland that is responsible for producing T-lymphocytes, which are a type of white blood cell that plays a crucial role in the immune response.
T-lymphocytes are produced in the thymus and then migrate to other parts of the body where they perform their functions. The thymus is considered to be a central organ of the immune system because it plays a key role in the development and maturation of T-lymphocytes.
It is also considered to be a peripheral organ because it is located outside of the lymphatic system, which is the network of vessels and organs that helps to transport lymph fluid and immune cells throughout the body.
In summary, the thymus is a small gland that contains lymphoid tissue and is considered to be a central organ of the immune system because it is responsible for the production of T-lymphocytes.
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11. _ is the tendency of water molecules to stick together. This happens because the positive end of one water molecule attracts the end of another.
Answer: Cohesion
Explanation: Water has some unusual properties due to its hydrogen bonds. One property is cohesion, the tendency for water molecules to stick together. The cohesive forces between water molecules are responsible for the phenomenon known as surface tension.
Hope this helped! :)
Cohesion is the tendency of water molecules to stick together. This happens because the positive end of one water molecule attracts the end of another.
What is the cohesive property of water?Water has the highest level of non-metallic liquid cohesiveness. Because of its cohesive qualities, water is sticky and forms drops, although chemistry and electricity play a more intricate role in this process.
Plants can absorb water at their roots thanks to the cohesion of water molecules. Water's high boiling point, which aids animals in controlling body temperature, is also a result of cohesion.
It results from the cohesive attraction force between molecules that are similar. A molecule's intrinsic trait of cohesion is influenced by its form, structure, and distribution of electric charges. Cohesive molecules are held together when they come into proximity by the electrical attraction between the various parts of each molecule. Hence, cohesion makes water molecules stick together.
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At what point in the evolution of a star is the star actually born
Answer:
Once it is hot enough for fusion reactions to transcribe at the core, a Star is born.
Explanation:
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Define Aerobic & Anaerobic Respiration with its chemical equation?
Answer:
Aerobic respiration : The kind of respiration where the intake of oxygen helps to breakdown the food and produce energy. This is done by almost all living organisms like plants, us humans (Most of the time), animals, etc.
Anaerobic respiration : The kind of respiration which takes place in the absence/lack of oxygen. Organisms like yeast, us humans (For a short period of time, I will explain how), etc.
When do humans anaerobically respire?
Ans: When the human body does not get enough of oxygen, and we are doing some heavy exercise, at that period of time, in the muscles cells, the cells anaerobically respire giving out lactic acid, which leads to muscle cramps....
Anaerobic:
Glucose (Lack of oxygen)-----> lactic acid (In humans) / alcohol (In other organisms) + Energy
Aerobic :
Glucose (Presence of oxygen) --------> Carbon dioxide + Energy
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Explain how asexual reproduction occurs and how it limits the spread of harmful characteristics.
7. an ancient date palm seed germinated and grew into a healthy plant. what was the source of nutrients for the young sporophyte during germination? a) sunlight b) food stored within the seed c) water taken up by the germinating seed d) the surrounding soil
When an ancient date palm seed germinated and grew into a healthy plant, the source of nutrients for the young sporophyte during germination was the food stored within the seed.
The food was stored in the form of a tissue called endosperm, and the sporophyte used it for energy to support its growth and development.During germination, the embryo within the seed begins to grow and develop into a sporophyte plant.
It uses the energy and nutrients stored in the endosperm tissue for growth and development. The sporophyte will continue to rely on the endosperm for nourishment until it develops leaves and begins photosynthesis.The correct answer is b) food stored within the seed.
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