marrow serves to store energy. The covers the outer surface of bone and is composed of multiple layers of cells.

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?

What are they five steps of cloning?

An experiment was done to determine if grass will grow taller if it is water weekly than grass that is not watered. what is the dependent variable