What is a difference between starch and glycogen?
a. starch stores energy, and glycogen provides structural support.
b. starch is found in plants, and glycogen is found in animals.
c. starch is composed of fructose, and glycogen is composed of glucose.
d. starch is a monomer, and glycogen is a polymer.

Aboy jumps into a cold swimming pool and his body tempature goes down hus muscles ,blood vessels

Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?

Temperatures in ponds and lakes vary by season. select the best answer from the choices provided t f