The basic building blocks of all organisms are cells. These are the smallest units of living matter and have their own functions. Cells are composed of several components such as cytoplasm, cell membrane, and organelles. The cytoplasm is the fluid in which all the organelles are located, and the cell membrane is the outer boundary that regulates the passage of materials in and out of the cell.
The organelles include the nucleus, mitochondria, ribosomes, endoplasmic reticulum, Golgi apparatus, and lysosomes .The nucleus is the control center of the cell that contains the genetic material (DNA) of the cell. Mitochondria produce energy for the cell, while ribosomes are responsible for protein synthesis.
The endoplasmic reticulum is involved in the transport of materials within the cell, while the Golgi apparatus modifies and packages proteins and lipids for secretion from the cell. Lysosomes contain enzymes that break down old or worn-out cell components.All living organisms, from the simplest bacteria to complex multicellular organisms like humans, are made up of cells. Even microorganisms and tissues are composed of cells. Therefore, cells are the basic building blocks of all organisms.
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a1-2. which of the following researchers must follow the tcps 2 (select all that apply)?
- A graduate student at an eligible Canadian college conducting self-funded research on political protest groups by interviewing members of those groups.
- A professor at an eligible Canadian university who is conducting research in Brazil on educational initiatives involving Indigenous Peoples.
- An independent researcher hired by a private company to conduct research on consumer brand loyalties.
- A researcher at an eligible academic institution conducts research within that institution that is funded by their department, not the Agencies;
- A master's student at an eligible institution conducts their research with street youth, not on the premises of the institution;
- A graduate student at an eligible Canadian university who has a grant from NSERC to conduct research on the link between climate change and the bee population.
The researchers that must follow TCPS2 are given by the options that are stated as ABC in the question.
What is the category?The Tri-Council Policy Statement 2 (TCPS 2) is a comprehensive ethical framework that provides guidelines for the ethical conduct of research involving human participants in Canada.
It was created in collaboration by the three primary government funding organizations for research in Canada: the Social Sciences and Humanities Research Council of Canada (SSHRC), the Natural Sciences and Engineering Research Council of Canada (NSERC), and the Canadian Institutes of Health Research (CIHR).
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The researchers that must follow the TCPS 2 include a graduate student conducting self-funded research on political protest groups, an independent researcher hired by a private company to conduct research on consumer brand loyalties, and a researcher at an eligible academic institution conducting department-funded research.
Explanation:The researchers that must follow the TCPS 2 (Tri-Council Policy Statement) are:
A graduate student at an eligible Canadian college conducting self-funded research on political protest groups by interviewing members of those groups.An independent researcher hired by a private company to conduct research on consumer brand loyalties.A researcher at an eligible academic institution conducting research funded by their department, not the Agencies.The other researchers mentioned in the options do not necessarily need to follow the TCPS 2, as their research falls outside the scope of the policy.
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Anyone can help me ?
Answer:
C.making bread
Answer:
C. You cannot reverse the making of bread. Once it's made it's made.
Explanation:
A chemical change is a usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances and a change in their chemical properties or composition, resulting in the formation of at least one new substance: The formation of rust on iron is a chemical change.
which hominin is responsible for making tool c?group of answer choiceshomo habilishomo erectushomo heidelbergensishomo neanderthalensishomo sapiens
The hominin responsible for making Tool C is Homo erectus.
Homo erectus, an extinct species of hominin, is known for its advanced tool-making abilities. They were skilled in creating and using a wide range of tools, including Tool C.
Homo erectus lived approximately 1.9 million to 70,000 years ago and had a more sophisticated tool-making technology compared to earlier hominins. Tool C is typically associated with Homo erectus and is considered an important innovation in human evolutionary history.
These tools were crafted by carefully shaping stones to create sharp edges and were likely used for various purposes, such as hunting, butchering, and processing food. The tool-making skills of Homo erectus represent an important milestone in the development of human culture and technology.
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I WILL FOLLOW THE QUICKEST ANSWER AND GIVE BRAINLIEST
ALL that are correct (more than one): Which of the following are key differences between mitosis and meiosis?
mitosis produces 2 cells while meiosis produces 4 cells
mitosis produces cells of the same chromosome number as the parent cell while meiosis produces cells with half the chromosome number
mitosis is a type of cell division while meiosis is a type of cell multiplication
mitosis makes copies of body cells while meiosis produces reproductive cells (gametes)
Answer:
Mitosis and meiosis are nuclear division processes that occur during cell division.
Explanation: Mitosis involves the division of body cells, while meiosis involves the division of sex cells. The division of a cell occurs once in mitosis but twice in meiosis.
what is 3+4 i need answers.
the answer is 7
3+4 = 7
Weathering is the breakdown of rocks into smaller particles called . weathering is when rocks are physically broken into smaller pieces, but the minerals in the rock remain the same. When a rock is broken down in a way that changes the mineral composition, it is called weathering.
Answer:
This question is incomplete
Explanation:
This question is incomplete but each sentence made there has a general meaning. Each statement will analysed in the numbered explanation below
1) The first statement describes what weathering means. Weathering is a process involving the gradual break-down of rocks and it's component minerals into smaller pieces and unit which can be transported by means of erosion. There are three types of weathering chemical, physical and biological weathering.
2) The second statement describes physical weathering. This is a process in which rocks are broken down into smaller units with no effect on the mineral constituents of the rocks. Physical weathering can be caused by fast moving water and earth movement.
3) The third statement describes chemical weathering. This is a process in which the chemical composition of the rock is affected as the rock is broken down. This can be as a result of acid rain which reacts with the minerals in the rock to form other substance.
NOTE: Biological weathering is the type of weathering caused by biological activities. For example, the continuous movement of a large group of animals over a rock can make a rock break down over time.
Answer & Explanation:
1. Is sediment
2. Is Mechanical
3. Is chemical
______________________________________I do edge 2020 how I know.
Have a fantastic day!! :)
this isn't biology, but there wasn't a science option so biology is the closest to it pls help
Answer:In summary, the scientific method includes the steps scientists use to solve a problem or to prove or disprove a theory. There are four basic steps involved with the scientific method. The usual steps include observation, hypothesis, experiment, and conclusion. The steps may not always be completed in the same order.
Explanation:
Answer:
The guy above me explained it better then I could.
Explanation:
They are extremely smart.
the bending of which structures leads to the nerve signals that are interpreted as sound? multiple choice stereocilia auricle otolith flagella
The stereocilia are the structures responsible for bending and causing the nerve signals interpreted as sound. When the stereocilia in the inner ear are bent by sound waves, nerve signals are produced that are interpreted as sound. The following is an explanation of stereocilia.
The inner ear is home to the cochlea, which is responsible for hearing. The cochlea consists of tiny hairs called stereocilia, which are arranged in rows of increasing height. The stereocilia are connected to hair cells, which convert sound vibrations into electrical signals that are sent to the brain via the auditory nerve.
When sound waves enter the ear, they cause the stereocilia to move, which in turn causes the hair cells to produce electrical signals. These signals are then sent to the brain, where they are interpreted as sound.
Therefore, it can be concluded that the bending of stereocilia is responsible for the nerve signals interpreted as sound.
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1) A food chain is represented below.
Grass → Cricket → Frog → Owl
What does this food chain contain?
Group of answer choices
A)1 predator, 1 parasite, and 2 producers
B)4 consumers and no producers
C)2 predators, 1 herbivore, and 1 producer.
D)2 carnivores and 2 herbivores
2)A food web is represented below.
A continuous decrease in the size of the rabbit population would most likely cause which other population to decrease?
Group of answer choices
A)cricket
B)grass
C)frog
D)mountain lion
3)An energy pyramid is shown below.
As energy moves through the pyramid, the amount of available energy
Group of answer choices
A)increases as the size of the organisms increases
B)remains the same as it is transferred to the next trophic level
C)doubles as it moves up each trophic level
D)decreases because it is released as heat into the environment
4)Part of a marsh food web is shown below.
Which of the following statements correctly describes organisms in this food web?
Group of answer choices
A)The algae are consumers.
B)The birds are producers.
C)The bacteria are decomposers.
D)The worms are carnivores.
Answer:
food chain contains A)
Explanation:
only knw first answer
1) The food chain contains : ( C ) 2 predators , 1 herbivore and 1 producer
2) The continuous decrease in rabbit population will cause decrease in : ( D ) Mountain Lion
3) The amount of available energy : ( D ) decrease because it is released as heat into the environment
4) The statement that describes organisms in the food web is : ( C ) Bacterias are decomposers
In the Food chain we have producers, herbivores, carnivores and tertiary carnivores which are all predators. As the population of the herbivores ( rabbit ) decreases in the food chain the number of the carnivores ( mountain lion ) will also decrease significantly.
Ten ( 10 ) percent of energy is transferred across each trophic level as we go up the food pyramid, because some of the energy contained in each trophic level are lost to the environment as well.
Hence we can conclude that the response to your question is as listed above in the answer.
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are pretzels glucose, starch, protein or lipid?
Answer: Starch
Explanation:
Pretzles are starch.
During a third-trimester ultrasound, what would a doctor expect to observe in a fetus?
initial development of organs
response to noise and light
presence of a tail-like structure
the first heartbeat
During a third-trimester ultrasound, what would a doctor expect to observe the first heartbeat in a fetus.
What are the stages of development of a fetus?The method of prenatal development occurs in 3 stages.
The first 2nd weeks after conceiving are called as the germinal stage, the 3rd through the 8th week is called as the embryonic stage, and the time from the 9thweek tillbirth is called as the fetal period.
Thus, option "D" is correct, as other parts develop at a later stage.
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Answer: B)response to noise and light
Explanation: This was the correct answer for me on my quiz, but u might be using a different website........hope this helps tho! (the quiz was on endgenuity)
the pedigree above shows a disease with a recessive pattern of inheritance. what is the probability individual ii-4 is heterozygous for the disease allele?
The pedigree above shows a recessive pattern of inheritance. The probability that individual ii-4 is heterozygous for the disease allele can be determined as follows.
Identify the parents of individual ii-4Individual ii-4 has a father who is homozygous normal (II) and a mother who is a carrier . Determine the genotypes of the parentsUsing uppercase letters to represent the dominant allele and lowercase letters to represent the recessive allele, the genotype of the father is II, and the genotype of the mother is Ii. The mother is a carrier, which means she has one copy of the disease allele .
ii-4 is heterozygous (Ii) can be calculated by dividing the number of Ii offspring by the total number of offspring. In this case, the probability is 1/2 or 50%.Therefore, the probability that individual ii-4 is heterozygous for the disease allele is 50%.
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They were churches set up by the spanish on the barrier islands to try to convert the Native Americans to Christianity
A missions
B maize
C paisides
D atlatl
Answer:
A missions
Explanation:
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Chloroplasts are concentrated in the palisade mesophyll. Chloroplasts are the site of photosynthesis and contain chlorophyll which is important for making glucose in photosynthesis. How do plants use chlorophyll in photosynthesis?
A) Chlorophyll absorbs sunlight energy for photosynthesis.
B) Chlorophyll stores carbon dioxide for photosynthesis.
C) Chlorophyll stores glucose made in photosynthesis.
D) Chlorophyll stores oxygen made in photosynthesis.
HELP ASAP!
Answer:
A) Chlorophyll absorbs sunlight energy for photosynthesis. :)
Explanation:
To quote Nat Geo:
"Chlorophyll’s job in a plant is to absorb light—usually sunlight. The energy absorbed from light is transferred to two kinds of energy-storing molecules" :)
Answer:
i think its c
Explanation:
Green plants have the ability to make their own food. They do this through a process called photosynthesis, which uses a green pigment called chlorophyll. ... Through photosynthesis, the plant uses the stored energy to convert carbon dioxide (absorbed from the air) and water into glucose, a type of sugar.
1. The below sequence is RNA? How do you know?
ACCUUGAGACCAUA
Answer: DNA bases are A,T,C,G and here we have U which is not a DNA base therefore being an RNA strand. RNA bases are A,C,U,G.
We can identify the below RNA sequence by the presence of uracil because, in the case of RNA, thymine is replaced by the uracil.
what is RNA?
RNA (ribonucleic acid) is a complex high-molecular-weight molecule that participates in cellular protein production and, in some viruses, replaces DNA (deoxyribonucleic acid) as a carrier of genetic instructions.
RNA is made up of strands of ribose nucleotides (nitrogenous bases bonded to a ribose sugar) connected by phosphodiester linkages. Adenine, guanine, cytosine, and uracil, which replaces thymine in DNA, are nitrogenous bases in RNA.
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1. according to the punnett square, what were the chances that emma would be heterozygous/carrier?
The Punnett Square charted out the chances that Emma would be heterozygous or a carrier as 25%. In order to analyze this, it is important to understand how the Punnett Square works.
The Punnett Square utilizes genetic information from two different parents or sources in order to predict the possible offspring outcomes. It organizes and arranges each allele in different combinations, with the most common allele at the top of each box in a square. In this specific Punnett Square, the topalleles for each parent involved were S and s with the dominant-allele S being used for this example.
As such, the square reveals that for each of the four possible gamete combinations among the parents, there is one potential offspring result Combo-A which is composed of both dominant-alleles (SS) and one potential offspring result Combo-B which is composed of both recessive-alleles (ss). Finally, there is one potential offspring result Combo-C which is composed of both heterozygous-alleles (Ss).
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which observation is inaccurate regarding bacterial cell growth? question 1 options: each bacterium plated will represent a colony-forming unit. observation of a turbid culture is indicative of bacterial growth. agar is used as a solidifying agent in some types of media. bacteria growing in a liquid culture will generate colonies.
The inaccurate observation regarding bacterial cell growth is that bacteria growing in a liquid culture will generate colonies. This observation is inaccurate because bacterial growth in a liquid culture does not result in colony formation.
What is bacterial cell growth? Bacterial cell growth is the increase in the number of cells, which occurs by cell division. Bacteria can grow and reproduce in a variety of environments, including liquid or solid media. When bacteria grow on a solid surface, each bacterium plated will represent a colony-forming unit. When bacteria grow in a liquid medium, they will cause the medium to become turbid (cloudy), indicating bacterial growth.
However, bacterial growth in a liquid culture will not generate colonies, making the option "bacteria growing in a liquid culture will generate colonies" the inaccurate observation regarding bacterial cell growth. This is because liquid cultures do not have a solid surface for bacterial growth, which is necessary for colony formation. Hence, this observation is inaccurate.
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What happens when an atom gains an electron?
A. It becomes a positive ion
B. It becomes a negative ion
C. It has an increase in the number of neutrons,
D. It has an increase in the number of peptons.
SUBMIT
Answer:
Unlike protons, electrons can move from atom to atom. If an atom has an equal number of protons and electrons, its net charge is 0. If it gains an extra electron, it becomes negatively charged and is known as an anion. If it loses an electron, it becomes positively charged and is known as a cation.
Compare the sea surface temperatures from Feb 2003 and Feb 2021.
Answer:
b
Explanation:b
To compare sea surface temperatures between Feb 2003 and Feb 2021, one would need to access meteorological databases. General trends suggest increasing temperatures due to climate change, but actual data depends on specific ocean regions and the influence of various factors.
Explanation:Comparing the sea surface temperatures from Feb 2003 and Feb 2021 would involve obtaining data from meteorological sources and examining them for differences and similarities.
While the exact temperatures will vary depending on the particular regions of the ocean under consideration, it is generally observed that there is a trend of increasing sea surface temperatures over the years due to climate change. However, for accurate data, one would need to reference reliable environmental or meteorological databases.
It is also important to note that the temperatures might fluctuate due to factors such as ocean currents, weather patterns, local geographical factors, and more.
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Which organ is responsible for storing bile?
Pancreas
Gallbladder
Stomach
Liver
The organ responsible for storing bile is the gallbladder. So, the correct choice is Gallbladder.
The gallbladder, located beneath the liver, is the organ responsible for storing bile. Bile is a greenish-yellow fluid that aids in the digestion and absorption of fats.
It is produced by the liver and then transported to the gallbladder for storage. When we consume a meal containing fats, the gallbladder contracts and releases stored bile into the small intestine through the bile ducts. Bile helps in emulsifying fats, breaking them down into smaller droplets, which increases the surface area for enzymes to act upon. This process enhances the absorption of fats and fat-soluble vitamins in the small intestine.
The storage and controlled release of bile by the gallbladder ensure that an adequate amount of bile is available for the digestion and absorption of fats whenever required.
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When the distance of the seismic wave from an earthquake increases, the
Primary wave and the Secondary wave increases.
True or False
Answer:
False
Explanation:
What carbohydrates is used for energy storage in the liver
Answer: Glucose
Glucose energy is stored as glycogen (which is a multibranched polysaccharide of glucose that serves as a form of energy storage in animals, fungi, and bacteria). In humans, glycogen is made and stored primarily in the cells of the liver and skeletal muscle.
The liver uses the glycogen to reserve the blood-glucose levels within a narrow range between meals.
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cells fall into two broad categories depending on whether or not they: (a) have cell membrane (b) contain DNA (c) have ribosomes (d) have nucleus
cells fall into two broad categories depending on whether or not they contain DNA .
Option B is correct.
The molecule inside cells that contains the genetic information responsible for the development and function of an organism. DNA molecules allow this information to be passed from one generation to the next.
A virus is made up of a core of genetic material which is surrounded by a protective coat called a capsid which is made up of protein. Viruses have either RNA or DNA as their genetic material but do not contains both. The nucleic acid may be single or double-stranded.
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hich of the following statements about meiosis and mitosis are true? please select all that apply. meiosis involves two rounds of dna replication mitosis involves one round of dna replication mitosis involves one round of chromosome/chromati
Meiosis and Mitosis are two fundamental processes that enable the division of cells. They both possess similarities and differences. Below are some of the differences between Meiosis and Mitosis:MeiosisIn this process, DNA replication occurs once, and two rounds of cell division take place, which results in four genetically diverse daughter cells.
Each daughter cell possesses half the chromosome number of the original parent cell. It results in the formation of haploid cells.Meiosis is a necessary process for the reproduction of sexually reproducing organisms.MitosisMitosis has only one round of DNA replication and a single round of cell division takes place resulting in two genetically identical daughter cells
Each daughter cell possesses the same number of chromosomes as the original parent cell.It is essential for the growth and repair of tissues, asexual reproduction, and clonal growth.A statement that is true about mitosis and not about meiosis is that Mitosis involves one round of chromosome/chromatid division.
Therefore, the statements that are true about meiosis and mitosis are:Mitosis involves one round of DNA replicationMitosis involves one round of chromosome/chromatid division.
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HELPPP !! IM BEING TIMEDDD !! Which statement describes renewable resources?
A. Fossil fuels are a type of renewable resource.
B. Renewable resources are artificial.
C. Renewable resources replenish quickly.
D. Cheap energy often comes from renewable resources.
Answer:
C. Renewable resources replenish quickly
Explanation:
Renewable resources are ones that can be used repeatedly and are replenished quickly. These are resources that you cannot run out of, like wind energy, biomass energy (plant powered), and hydropower energy (water).
Answer:
c
Explanation:
Which of the following can affect the gene pool of a population? A. additional individuals being born. B. individuals moving out of the area. C. mutations.
Three main factors that can change the gene pool of a population are: additional individuals being born, individuals moving out of the area, and mutations.
Here, all the options are correct.
The gene pool of a population is the collective set of genetic information for all of the individuals who make of the population. This pool is continually changing as individuals are consistently interacting with the environment.
Due to the process of reproduction, additional individuals are constantly being born, adding new genetic information to the population as a whole. This new information can be a mixture of genetic traits passed down from the parents or it may be completely new, caused by the mutations during the reproductive process.
Here, all the options are correct.
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which of the following are found in both plant and animal cells? (select all that apply.) check all that apply mitochondriamitochondria chloroplastschloroplasts centriolescentrioles golgi complexesgolgi complexes endoplasmic reticulumendoplasmic reticulum
The structures that are found in both plant and animal cells are A. Mitochondria and E. Endoplasmic Reticulum
Mitochondria: Mitochondria are membrane-bound organelles responsible for energy production in cells. They are involved in cellular respiration, converting nutrients into usable energy in the form of ATP. Both plant and animal cells require energy for their metabolic processes, so mitochondria are present in both cell types.
Endoplasmic Reticulum (ER): The endoplasmic reticulum is a network of membranes involved in protein synthesis, lipid metabolism, and the transport of molecules within the cell. It exists in two forms: rough ER (with ribosomes attached) and smooth ER (without ribosomes). Both plant and animal cells have these two forms of ER, although their proportions and functions may vary.
In summary, mitochondria and endoplasmic reticulum are organelles found in both plant and animal cells, while chloroplasts, centrioles, and golgi complexes have specific distributions between the two cell types. Therefore, Option A and E is correct.
The question was incomplete. find the full content below:
which of the following are found in both plant and animal cells? (select all that apply.) check all that apply
A. mitochondria
B. chloroplasts
C. centrioles
D. golgi complexes
E. endoplasmic reticulum
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how are the processes of anaerobic and aerobic respiration similar how are they different
Answer:
Aerobic respiration is a set of metabolic reactions that take place in the presence of oxygen, occurring in a cell to convert chemical energy into ATPs. Anaerobic respiration is a process of cellular respiration where the high energy electron acceptor is neither oxygen nor pyruvate derivatives.
Answer:
Anaerobic and aerobic respiration both result in the production of ATP. Anaerobic respiration occurs when oxygen is lacking. Aerobic respiration occurs when oxygen is present. Aerobic cellular respiration produces significantly more ATP than anaerobic cellular respiration.
What would be the physiological explanation for why urine volume might increase after drinking water?
Drinking more water causes excess fluid content in the blood that will be eliminated in the form of urine.
Water is absorbed in the various parts of the digestive system into the blood. This fluid in the blood is further reabsorbed by the kidneys in the structures called nephrons. These nephrons filter the blood leaving away the molecules which are larger and of higher atomic weight.
The filtrate formed by the nephrons is known as glomerular filtrate and this passes on from the kidney to the urinary bladder. The filtrate consists of water along with wastes and salts from the blood. Thus, kidneys purify the blood and the urinary bladder lets it out through urination.
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