Due November 14th Each question is worth 1 point. Fill in the letter C for this question. You will get full credit as long as the ParScore machine does not reject your paper.
Melanin protects the skin from a. desiccation.
It makes up part of the thin filaments inside a muscle fiber. It provides energy for contraction. It blocks contraction when the muscle relaxes. It signals the muscle fiber to contract. It forms the heads of the myosin molecules inside a muscle fiber.