Skeletal muscle is made up of voluntary muscles but can contract involuntarily<span> by reflexes. </span>
Answer:
E.All chordates have ventral l, hollow nerve cord
D.All chordates are bilaterally symmetrical animals
Answer:
It is recessive.
Explanation:
Having an extra finger, also known as polydactyly, is relatively rare, and people with polydactyly are unlikely to have children with the trait unless both the mother and father <u><em>both</em></u> have it, making it a recessive trait.
The major difference between these two types of protein is that structural proteins are used as structures while functional proteins perform specific active functions in the cells.
