Sensory organs are equipped with distinct cells known as sensory receptors, which respond to specific stimuli from the environment. The nose is a sensory organ. Its function is to sense distinct smells or odors.
The nose is a sensory organ that is associated with the function of olfaction, i.e. one's ability to sense distinct smells from the environment. The nose possesses specialized cells known as olfactory receptors, which are able to detect and distinguish different types of smells or odors.
These olfactory receptors are lined with mucus in the nasal cavity. The olfactory receptors are composed of olfactory epithelium, which contains three types of cells.
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7 Examine the diagram below and list the
cell structures that identify it as a
plant
cell.
MED
Over the years, concepts around plant cell structure have seen significant alterations. Cells were initially thought of by biologists as simple fluid-filled sacs with a few dangling particles.
How is plant cell structure illustrated?
The vastly more intricate nature of plant cells is now understood by biologists. Cells in the body can be found in a wide variety of sorts, sizes, and forms. The phrase "generalized cell" is used to describe this for descriptive purposes. Each sort of cell's characteristics is included.
The structures of a plant cell are the cell membrane, the nucleus, and the cytoplasm that sits in the middle of the two and make up a cell. Numerous, possibly even thousands, of tiny, unique structures known as organelles are found in the cytoplasm, which is made up of complex arrangements of microscopic fibers. They are mitochondria, chloroplast, endoplasmic reticulum, and Golgi apparatus.
Therefore, the above-mentioned cell structures are present in the plant cell.
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after getting off a roller coaster, randy’s heart rate slows and he begins to breathe more steadily. which part of his nervous system is most likely active during this situation?
The part of the nervous system which is most likely active during this situation is referred to as the autonomic nervous system.
What is Nervous system?This is referred to as the the system which comprises of parts such as the brain, spinal cord and other nerves which are responsible for the control and communication process which goes in the body.
This system falls under the peripheral nervous system and are responsible for the control of the involuntary processes which goes in the body system of an individual such as breathing, blood pressure etc.
In this scenario, we were told that Randy’s heart rate slows and then he begins to breathe more steadily which means that the part of his nervous system which is most likely active is autonomic nervous system.
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Which term best describes the arrangement of different tissues together?
O organism
O system
O cell
O organ
Answer: organ
Explanation: When different types of tissues are organized together to perform a complex function, it's called an organ.
mammalian cells in tissue culture grow to a single layer because when cells come into contact, a signal transduction pathways is triggered that results in the inhibition of the action of
When the cells in tissue culturing grows to a single layer as such as cells come in contact together, a signal transduction pathways is activated that results in the inhibition of the action of chemical signaling molecules.
How the chemical signaling molecules signal transduction pathway?The chemical signaling molecules which are most of the time known as ligands are responsible for initiating a transduction pathway during tissue culturing. When this process is activated by the chemical signaling molecules, the cells of mammals respond to all the substances found in the external environment of cell with the help of these molecules on the surface.
However, the signals of cells are being inhibited into a circuit debarring it from performing it's normal function.
Tissue culturing is the act or process of growing and development of cells in the laboratory system.
So therefore, the ligands help to activate signal transduction pathways which inhibit normal functioning of cells.
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How are trenches formed
Answer:if ocean trenches then ocean trenches are a feature of convergent plate boundaries, where two or more tectonic plates meet. At many convergent plate boundaries, dense lithosphere melts or slides beneath less-dense lithosphere in a process called subduction, creating a trench.
Explanation:
Answer: When a lithosphere is going toward another lithosphere it pushes the other lithosphere down and itself is going above it, and its something called subduction, creating a trench.
Explanation:ocean trenches are a feature of convergent plate boundaries, where two or more tectonic plates meet, At many convergent plate boundaries
drag the biogeochemical processes to the proper group(s) in which they are found in order to review characteristics of microbes important to biogeochemistry.
Biogeochemical processes found in prokaryotes:
- methanogenesis
- methane oxidation
- nitrification
- denitrification
- sulfur oxidation
- sulfate reduction
- nitrogen fixation
Biogeochemical process Found in eukaryotes and prokaryotes:
- respiration
- carbon fixation
- fermentation
Biogeochemical cycles mainly refer to the movement of nutrients and other elements between biotic and abiotic factors. The three types of biogeochemical cycles are hydrological cycle, sedimentary cycle and gaseous cycle. Biogeochemical cycles important to living organisms include the water, carbon, nitrogen, phosphorus, and sulfur cycles.
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The most common type of white blood cell is the
A. platelet
B. neutrophil
C. T cell
D. macrophage
Answer:
neutrophils
because they just are!1!
Answer:
B. Neutrophil
Explanation:
Neutrophils are the commonest type of white blood cell found in a blood smear. They make up 60-70% of the total amount of white blood cells.
Which atom would form the ionic compound X₂S?
Covalent bonds between nonmetals, ionic bonds between metals and nonmetals, and metallic bonds between metals are the three types of bonds that typically form.
Ionic bonding between metals do they exist? Only between metals and nonmetals may ionic bonding develop. This is due to the fact that nonmetals "desire" to gain electrons while metals "want" to give up electrons. To liberate an atom's valence electrons and create a positive ion, energy is required.Covalent bonds are those created when two atoms share electrons in order to achieve their closest configuration to that of a noble gas. Normally, it forms between two non-metals.A metal and a non-metal combine to form an ionic connection. Non-metals(-ve ion) are "stronger" than metals(+ve ion) and are highly good at stealing electrons from metals. The ionic connection is created by the attraction of these two opposing ions.Both their melting and boiling points are high. In the solid state, they are electrically conductive.To Learn more About Covalent bonds, Refer:
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is a critical hub that contains neurons that produce appetite stimulating neurotransmitters and neurons that produce appetite-dampening neurotransmitters. this area also contains many insulin and leptin receptors.
The arcuate nucleus is a critical hub that contains neurons that produce appetite-stimulating neurotransmitters and neurons that produce appetite-dampening neurotransmitters. The arcuate nucleus area also contains many insulin and leptin receptors.
What is the arcuate nucleus?The arcuate nucleus area is a brain region located in the hypothalamus which plays key neuroendocrine roles assisted with the release of chemical messengers in the brain known as hormone neurotransmitters.
This region of the brain (the arcuate nucleus area) plays a fundamental function in relaying leptin to different hypothalamic regions. Leptin is a key hormone whose levels are correlated to the dopamine amount in the brain, which is in turn associated with stressful and normal body responses, as well as in metabolic signaling pathways (e.g. appetite and hunger).
Therefore, with this data, we can see that the arcuate nucleus area is a fundamental are of the hypothalamus associated with the release of signals.
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1. What happens to the sunlight as it passes through the atmosphere?
The sunlight is abosorbed and weakened when it passes through the atmosphere, being also scatterred by the air and dust in the atmosphere with short wavelengths scatter more than longer wavelengths. Therefore, the radiation can go forward in part while some is blocked by the constituents of the atmosphere.
Which does the electron transport Thain do during cellular respiration?
O A. Makes energy carriers for the Krebs cycle
• B. Provides energy that powers the formation of ATP
• C. Uses carbon dioxide to
produce glucose
• D. Breaks down glucose into pyruvate molecules
Answer:
Electron transport
Explanation:
it is the most complex and productive pathway of cellular respiration. During aerobic respiration, the ETC produces 34 of the 38 ATP molecules
In the above pyramid, how much energy would the snakes receive when consuming a rabbit? The the rabbits have 2500 energy units within their trophic level
According to the 10% energy rule, the snake will have only 250 energy units within their trophic level upon consuming the rabbit with 2500 energy units.
The 10% energy rule states that when an organism feeds upon another organism, it obtains only 10% of the organism's energy. Thus, the energy transfer from one trophic level to another is only 10%. This is the reason why the snake will have only 250 energy units upon consuming the rabbit.
Trophic level can be defined as the hierarchical levels of the ecosystem or food chain. According to the food chain and ecosystem, the trophic level of a specific organism can keep changing. Thus, there are no fixed levels of any organism.
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the substances that relay the original message from the receptor site to the firing mechanism of the neuron are:
Secondary messengers are the molecules that transmit the first message from the receptor site to the neuron's firing mechanism.
There are four main categories of second messengers: cyclic nucleotides, such as cAMP and other soluble molecules, which signal within the cytosol; lipid messengers, which signal within cell membranes; ions, which signal both within and between cellular compartments; and gases and free radicals, which can signal throughout the cell.
In order to cause a physiological response, second messengers are designed to open intracellular signaling pathways that amplify the signal and conclude with the activation or inhibition of transcription factors.
There are three main categories of second messengers: calcium ions (Ca⁺²), cyclic nucleotides (such as cAMP and cGMP), and inositol trisphosphate (IP3) and diacylglycerol (DAG).
The purpose of second messengers is to open intracellular signaling pathways that amplify the signal and lead to the activation or inhibition of transcription factors, which triggers a physiological response.
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The pancreas enzymes that aid in digestion by what process are these digestive enzymes from pancreas cells
These enzymes' breakdown proteins consuming trypsin and chymotrypsin, carbohydrates using amylase, and lipids utilizing lipase.
What is the function of pancreatic enzyme?Hormones are made by the islets. The pancreas releases hormones into the bloodstream, as well as digesting enzymes into the duodenum.
The cells of the acini release the digesting enzymes (such as amylase, lipase, and trypsin), which then flow into the pancreatic duct.
With the help of trypsin and chymotrypsin, amylase, and lipase, these enzymes break down lipids, proteins, and carbohydrates.
Therefore, The pancreas enzymes that aid in digestion by exocytosis process.
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Which models shows how cholesterol molecules most likely interact with the phospholipid bilayer of a cell’s plasma membrane?
The model accurately depicts the interaction between the polar heads of the phospholipid and cholesterol molecules. Additionally, the model accurately depicts interactions between the hydrophobic interior of the phospholipid bilayer and the nonpolar parts of the cholesterol molecules.
How does this model accurately depict the interaction between phospholipids and cholesterol?
The model accurately depicts the interaction between the polar heads of the phospholipid and cholesterol molecules. Additionally, the model accurately depicts interactions between the hydrophobic interior of the phospholipid bilayer and the nonpolar portions of cholesterol molecules.
What purpose does cholesterol serve in the plasma membrane?A naturally occurring molecule called cholesterol aids in controlling the fluidity of the plasma membrane of a cell. You can visualize a cholesterol molecule as having a polar head and a nonpolar area.
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Find the sum. Enter your answer in lowest terms in the box below as a fraction, using the slash mark ( / ) for the fraction bar.
Answer here
The sum of the given fractions is = 11/19
What is fraction?A fraction can be defined as the part of a whole figure which is represented as a numerator and the denominator.
The figure that are located another the division line is the numerator while the figure that is located below the division line is the denominator.
From the given fractions, the addition of 6/18 + 3/19 can be obtained when the lowest common multiples of 18 and 19 is obtained.
The LCM is = 342
6/18+ 3/19 = 144+ 54/342
= 198/342
When reduced to the lowest value = 11/19
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Scientists discover a species that is unicellular and has chloroplasts. Which of these could it be?
Scientists discover a species that is unicellular and has chloroplasts. It could be the Euglena.
Unicellular Organism- A single cell makes up the unicellular structure. Multicellular creatures have a large number of cells making up its structure. Yeast, paramecium, and amoebas are a few examples of single-celled creatures. Human beings, animals, plants, birds, & insects are just a few example of multicellular life.
Chloroplast- Every green portion of a plant, including the stems and unripe fruit, has chloroplasts, however the majority of photosynthetic activity occurs in the leaves of most plants. An average leaf surface has 500,000 chloroplasts per square millimeter.
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if mycorrhizae did not exist, there would be fewer infectious diseases we would not have antibiotics like penicillin there would not be any mushroom on your pizza a lot of trees would die
If mycorrhizae did not exist, a lot of trees would die due to its benefits to the plant body.
What are mycorrhizae?Mycorrhizae is a symbiotic association between the roots of plants and fungi. The major role of this fungus is to enhance nutrient and water uptake by the plant by exploiting a larger volume of soil. Mycorrhizae has many types and different plants have different types of mycorrhiza. Many plants living under difficult circumstances, wouldn't survive at all without the presence of mycorrhizae. The mycorrhizae absorb nutrients such as phosphorus and magnesium from the soil. It also brings nutrients directly to the plant roots. They also exchange the nutrients they have collected for sugar. Produce more healthy plants, increase plant strength and survival at seeding and also increase yields and quality of the crop.
So we can conclude that If mycorrhizae are not present in the atmosphere, a lot of trees would die because it is present in the roots of trees and help in nutrient uptake.
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Help me! What does photosynthesis takes place in (plant organ/part:) and (Organelle:)
Photosynthesis takes place in (plant organ/ part) CHLOROPLAST.
Photosynthesis is the process by which a plant prepares its food.
Photosynthesis takes place in the plastids of a cell, also called a chloroplast.
The chloroplast contains a green pigment called chlorophyll which is very essential for photosynthesis.
The cell organelle in which photosynthesis takes place is plastids.
Plastids are double membrane-bound organelle that has their DNA and acts as a semi-autonomous organelle. Photosynthesis takes place in plastid of a cell which is also known as chloroplast.
The essential requirements for photosynthesis are- carbon dioxide, water and sunlight. Photosynthesis is a process by which plants make their food. They take in carbon dioxide and water, use them to prepare glucose (food) in the presence of sunlight.
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during exercise, the body makes certain systems work harder in order to
During exercise, the body makes certain systems work harder in order to gain more oxygen and fuel for muscles.
After exercise , your body fuses together damaged muscle fibers to create new muscle protein strands, or myofibrils, as part of a biological process. To produce muscular hypertrophy, these repaired myofibrils thicken and multiply (growth). The majority of beginners will start to notice their muscles growing after eight weeks, while more seasoned lifters will start to notice changes after three to four weeks. With the appropriate combination of strength exercise and nutrition, the majority of people grow one to two pounds of lean muscle per month. muscle development will happen after exercise muscular tension, muscular deterioration, and metabolic stress (Schoenfeld 2010). muscular tension Most experts agree that the most crucial element in muscular development is the tension placed on muscles during resistance training. Overload promotes growth instead of muscle "burn," which inhibits it.
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Why do some plants in the tundra retain their dead leaves instead of shedding them? a. the plants absorb the nutrients in the dead leaves. b. the dead leaves insulate new buds from the cold. c. the dead leaves protect them from predatory insects. d. the dead leaves help them survive long periods of drought. please select the best answer from the choices provided a b c d
Answer:
a because dead leaves may decompose hence turn into humus and microbes and plants retain nutrients
What happens to this enzyme when the pH rises above 11?
What pH rises above 11, the enzyme no longer functions. That is option A.
What is an enzyme?An enzyme is defined as a biological protein that has the ability to increase the rate of a chemical reaction but remains unchanged at the end of the reaction.
The factors that affects an enzyme include the following:
Concentration of Enzyme.Concentration of Substrate.Effect of Temperature.Effect of pH.Effect of Activators.Enzymes mainly work in pH scale of 7.4. Some enzymes which are acidic enzymes work on acidic pH which is 1 to 6 while some enzymes which are basic enzymes work in basic pH such as 8 to 14.
From the graph given, the enzyme functions optimally at pH of 7 but denatures as the pH increases to 11.
Therefore, the enzyme would stop catalysing the reaction as the pH rises to 11.
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can i get some help please? i give brainy if u answer both questions and if they are right
Question 1
Which of the following is part of the cell theory?
A. Cells are independent structures.
B. All cells are the same.
C. Cells are able to make new organisms.
D. All cells are produced from other cells.
Question 15
Plants use me to turn sunlight into energy. What am I?
A. a mitochondria
B. a cholorplast
C. a nucleus
D. a cell wall
Answer:cells are able to make new orgnisms
Explanation:a cholorplast
IS THAT BETTERRRRRRRRRRRRRR
Which is the type of chemical reaction in which large organic molecules such as glycogen, triglycerides, and proteins are broken down into their subunits during digestion?.
When large organic molecules are digested, a chemical reaction known as catabolism occurs that breaks them down into their component parts.
Which term best encapsulates catabolic reactions?In order to produce energy, a human must undergo catabolic reactions. These processes break down huge chemical molecules like polysaccharides that are present in an individual into smaller chemical components. During these processes, energy is released.
Digestion is the term for what?The challenging process of digestion is how food is transformed into nutrients that the body uses for energy, cellular growth, and survival. Making trash for elimination is another step in the digesting process.
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Taxonomy is considered to be a __________ science compared to physics or chemistry due to the changing nature of classifying organisms.
Protective
Subjective
Opinion
Adjective
Answer:
Opinion
Explanation:
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39. Eutrophication is a type of water pollution that can be caused byA. the separation of an ecosystem into small pieces of space.B. fossil fuels being burned and sulfur dioxide being released into theatmosphere.C. fertilizers, sewage, and animal waste.
Eutrophication occurs when there is an excess of inorganic nutrients (mostly of the time generated by human activities) in the water mainly nitrogen and phosphorus, this generates an uncontrolled proliferation of algae and some aquatic plants that have severe consequences on the water bodies. Therefore we can say that the correct answer is option C.
Please help me please please
Answer:
1. the 4 mitotic stages are prophase, metaphase, anaphase, and telophase.
2. cytokinesis occurs in an animal cell when a cleavage furrow forms and the cytoplasm is pinched in two.
3. cytokinesis occurs in a plant cell when Cell plates form between the two newly formed "cells" and the cell walls are formed from these plates
the bold sentences are the answer
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Which marine habitats would have the least access to primary producers? a. salt marshes and estuaries b. coral reefs and lagoons c. mangroves and intertidal zones d. deep sea and sea floor
Answer:
D.
Explanation:
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drag the group 1 labels (pink) to indicate which type of interaction occurs between each pair of species. based on those interactions, drag the group 2 labels (blue) to indicate the population changes knight predicted for each species in the two different treatments. labels can be used once, more than once, or not at all.
The drag of the group 1 labels (pink) to indicate which type of interaction occurs between each pair of species. based on those interactions is given below.
a. predation
b. predation
c. mutualism
d. goes down
e. goes up
f. goes up
g. goes up
h. goes down
i. goes down
Which population do you refer to?A population is seen as a term that connote the full of the entire set of people in a given kind of group.
It can be that group is seen aa a country or a collection of people who share a certain trait. A population is the group of people from which a statistical sample is taken in statistics.
Therefore, Natural is seen as something that happens in nature and is allowed by natural rules, which is essentially everything that is happening right now and thus entails Natural differences between organism.
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What catabolic reaction is occurring in this cycle?
A. photosynthesis
B. cellular respiration
C. absorption of sunlight
D. conversion of sunlight
Catabolic reaction that is occurring in the cycle is :
D) Conversion of sunlight.
Large molecules are broken down into smaller ones in a catabolic reaction. Plants are autotrophs, which implies that they produce their own food. With the help of photosynthesis, they transform water, sunlight, and carbon dioxide into oxygen, and simple sugars.
Chloroplasts convert sun's light energy into sugars that can be used by cells later on . Plants contain a molecule called chlorophyll, and the chlorophyll is what absorbs the sunlight. Red and blue light is absorbed whereas green is reflected. That's why plants appear green to our eyes.
Process in which light energy is converted to chemical energy in the form of sugars is photosynthesis. In a process run by light energy, glucose molecules are obtained from water and carbon dioxide and oxygen is given as a byproduct.
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