This region of the antibody is called the Fab (fragment, antigen-binding) region. It is composed of one constant and one variable domain from each heavy and light chain of the antibody. The paratope is shaped<span> at the</span>amino<span> terminal end of the antibody monomer by the variable domains from the heavy and light chains.
</span><span>https://en.wikipedia.org/wiki/Antibody</span>
Our mitochondria DNA come always from the mother (female)
Skeletal muscle support and Movement. Skeletal muscles move the body. Skeletal muscle contractions pull on tendons, which are attached to bones. If contraction of the muscle causes the muscle to shorten, the bone and, thus, the body part will move.
so your answer is D
