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abruzzese [7]
3 years ago
12

What role do histones play in a cell?

Biology
1 answer:
Sergeeva-Olga [200]3 years ago
7 0
In biology, histones are highly alkaline proteins found in eukaryotic cell nuclei that package and order the DNA into structural units called nucleosomes. They are the chief protein components<span> of </span>chromatin<span>, acting as spools around which DNA winds, and playing a role in </span>gene regulation<span>.</span>
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These are the organic compounds that your body needs for normal metabolic processes?
Hitman42 [59]

Answer:

There are Five main compounds but our body need carbohydrate and protein more.

Explanation:

There are five major organic compounds that our body needs for normal metabolic processes. These are- Carbohydrates, lipids, proteins, nucleic acids and high energy compounds. organic compounds are involved in almost all biochemical activities that is related to metabolism. The organic compounds always contain carbon.  Carbs act as the source of energy to the body. They converted to glucose, which used in cellular respiration. Lipids act as  fatty acids. Proteins have a structural function like keratin in skin and hair. Nucleic acids are large organic compounds that store and process information at the molecular level inside the body cells. High energy compounds like ATP serves as a source of cellular energy.

4 0
3 years ago
What would be the independent variable in the following hypothesis?
Tamiku [17]
The independent variable in the hypothesis of an observed increased in sea turtle sickness once an increase in red tide can be seen would be the increase of red tide. 

The reason for this is that red tide increases or decreases will happen independently of the amount of sea turtle sickness - therefore increasing sea turtle sickness will be dependent on the first variable. (independent one).
7 0
3 years ago
Some operons have both a positive and negative control mechanism built into the DNA sequence of the operon. That means both an a
ahrayia [7]

Answer:

Following are the four combinations of active or inactive regulatory proteins that could be present anytime in the cell:

Active repressor , Active activator.

Active repressor, Inactive activator.

Inactive repressor, Active activator.

Inactive repressor, Inactive activator.

Explanation:

Use the attached diagram for

explanations on the four combinations of active or inactive regulatory proteins in cells.

7 0
3 years ago
How do urban communities compare to rural communities?
bonufazy [111]

Answer:

B.  Urban communities tend to have a higher population than rural communities.

Explanation:

I just took the test on ed.

5 0
3 years ago
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Which happens during the day at the beach? A: The water is warmer than the land, and air rises over the water. B: the water is c
gregori [183]

Answer:

a

Explanation:

7 0
3 years ago
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