Answer:
d. Nucleus
Explanation:
the nucleus stores the DNA which is the genetic code for the organism.
For use in (aerobic) respiration, polypeptides would first be hydrolysed to their amino acid monomers. These are each deaminated, i.e. have their amino groups removed, producing an organic acid, which can be fed into the Kreb's Cycle, and a waste product, ammonia (NH₃), which is moved to the liver and removed from the blood.
Skeletal muscles are CELLS formed by skeletal muscle tissue, and the tissue is made up of skeletal muscle ORGANS. Hope that helps :)
Its call a niche hope this helps :)
Answer:
The answer is D. Double Helix
