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Sav [38]
2 years ago
13

There are several different models that represent compounds. One type of model is shown.

Biology
1 answer:
leonid [27]2 years ago
8 0

Answer:

a

Explanation:

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What is the role of cyclin-dependent kinases in the cell cycle?
jasenka [17]

Answer:

They initiate various stages of the cell cycle.

Explanation:

Cyclins and cyclin-dependent protein kinases function to control  the cell cycle. A group of cyclins: the G1 cyclins, are synthesized during G1 phase and function  to activate CDPKs which initiate DNA synthesis at the G1/S checkpoint. The cell fails to  progress to S phase if there is no sufficient synthesis of G1 cyclins. After a cell passes through  this point, the G1 cyclins are degraded, allowing for another group of cyclins: the M cyclins  to be synthesized. M cyclins activate a second group of CDPKs which allow  the cell to pass the G2/M control point and into mitosis.

3 0
3 years ago
Which statement best describes the function of ATP synthase?ATP synthase pumps protons back into the mitochondrial matrix.ATP sy
Gennadij [26K]

Answer:

ATP synthase utilizes energy of the proton gradient to attach phosphate groups to ADP.

Explanation:

ATP synthase is an enzyme that requires some form of energy to form energy storing molecule ATP, from adenosine diphosphate (ADP) and inorganic phosphate (Pi). Because of that, ATP synthesis is coupled with cellular respiration and electrochemical gradient created by the difference in proton (H+) concentration across the mitochondrial membrane during the transport of electrons through the electron transport chain. In plants, proton gradient is formed in chloroplast, in the thylakoid lumen through the thylakoid membrane.

3 0
3 years ago
Which non nutritive artificial sweetener should be avoided by someone who has phenylketonuria (pku?)?
anygoal [31]
Aspartame is very high in the protein, phenylalanine

Individuals with PKU are unable to metabolize this protein from their bodies & it builds up in toxic levels. Anything containing artificial sweeteners, like aspartame, or are very high in phenylalanine should be avoided to minimize the chances of complications.

Hope that helps!
3 0
3 years ago
10. Name the pigments present in plants which can absorb solar energy.
Minchanka [31]

Answer:

10. chlorophyll

11. There are two main stages of photosynthesis: the light-dependent reactions and the Calvin cycle.

12. Nutrition is necessary for the growth of new cells and the replacement or repair of worn-out cells. Nutrition gives energy for different metabolic processes in the body. Nutrition is required to produce resistance against different diseases.

13. trypsin

14. salivary amylase

15. Hydrochloric acid helps your body to break down, digest, and absorb nutrients such as protein. The hydrochloric acid found in the stomach facilitates digestion by disintegrating complex large food molecules into simpler molecules. The acid activates the pepsinogen enzyme required to digest proteins.

16. Saliva, the watery liquid produced by glands located under the tongue, is an essential component of the digestive process. Saliva is 98% water, so it moistens the mouth and helps compact food into softened particles for easier swallowing.

17. Digestive enzymes play a key role in breaking down the food you eat. These proteins speed up chemical reactions that turn nutrients into substances that your digestive tract can absorb. Your saliva has digestive enzymes in it. Some of your organs, including your pancreas, gallbladder, and liver, also release them.

18. small intestine

19. heterotrophic  

hope this answer helps you...

please mark as brainliest...thank you!

3 0
2 years ago
Which is useful for high-throughput sequencing, but is not part of sanger dna sequencing?
Shalnov [3]

Roche/454 pyrosequencing , useful for high throughput sequencing techniques. This method utilizes pyrosequncing which allows for sequencing as the sequence read out can be achieved at the same time as the sequence is extended.

High- throughput screening is the use of automated equipment to rapidly test thousand to millions of samples for the biological activities at the model organism, cellular, pathway or molecular level.Many DNA samples can be sequenced simultaneously.

Sanger DNA sequencing also known as chain termination. This method is used only for the single DNA fragment at a time. Amplicon sequencing with  NGS is efficient and cost effective . It is required a DNA  polymerase , nucleotide , dideoxynucleotides and buffer.

To learn more about High- throughput screening here

brainly.com/question/2509675

#SPJ4

5 0
2 years ago
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