The main one is actin. Actin in a protein that forms its molecules to form twisting chains into a helix formation. These proteins support the contraction of muscles.
Im guessing the answer is a because sometimes the air quality is not good for you to in hale
Answer:
The answer is D, the viruses use the body's cells to make new viruses
Explanation:
For example, see the lysogenic and lytic cycle. The lytic cycle involves the virus taking over metabolic processes of the cell in order to reproduce. Probably skip the lysogenic cycle since it does not kill the cell.
The answer is: "obsessive-compulsive disorder (OCD)" .
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It hardens the arteries from blood flow. So you heart wont get enough oxygen for you to live<span />
