Answer:
D it is taken in from the air
Explanation:
Carbon dioxide is in the air and plants use it to make food.
Polypeptide chains undergo some modifications before they become fully functional. Some of these modifications include: proteolytic cleavage, lipidation and glycosylation. Proteolytic cleavage refers to the removal of some amino acids from a polypeptide chain by proteases in order for the protein to become active. An example of a substance that is modified through this process is insulin.
Answer:
Cytoskeleton
Explanation:
It provide mechanical support that enables cells to carry out function like division and movement
Answer: Beta nerve fibers
Somatic nerves
General visceral nerves
Explanation:
