Why is dna called the blueprint for life? a. it has the code to make carbohydrates. b. it stands for director of new activities. c. it has directions for making membranes. d. it contains the genetic material for living things on earth.

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?