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s2008m [1.1K]
2 years ago
13

What is the skeleton of an arthropod composed of

Biology
1 answer:
pychu [463]2 years ago
5 0

Answer:

<u>chitin, mostly and calcium.</u>

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A cyclin called cyclin E forms a complex with a cyclin-dependent kinase called Cdk 2. This complex is important for the progress
Thepotemich [5.8K]

Answer:

B. The amount of unbound cyclin E is lowest as the cell enters S.

Explanation:

The reproduction of the cell is a cycle that it regulates by itself, depending the  demand of a certain cell.

In the case of the mitosis, in Each change from G1 to S to G2 to M is regulated by some proteins like the cyclin.

In the case of the cdK2 is ncessary to pass the control point to pass from the stage G1 to the stage S.

Another characteristic of the cyclins, is that these proteins are synthetized and degraded constantly during the hole process.

Hope this is a useful info

8 0
3 years ago
3. Name the molecule that would be destroyed (denatured) within the membrane at 70°C
egoroff_w [7]

Answer:

The correct answer is - Protein molecule.

Explanation:

The cell membrane is the outer membrane of the cell that differentiates the external environment from the internal components of the cell. The cell membrane is made up of two major components that are lipids and proteins.

Proteins are present as channels and in the form of membrane proteins in between the lipid bilayer. Protein is the molecule that denatured or destroyed at high temperatures such as 70 degrees.

6 0
3 years ago
At which boundary does subduction stop occurring, resulting in a mountain range?
Vilka [71]
Continental boundary.
3 0
3 years ago
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Name a common product that contains a base
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5 0
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What is one way water can cycle though sheep in a pasture?
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They drink water and then get rid of the waste
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3 years ago
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