Answer:
Proteins are the Body's Worker Molecules
Explains structure-function relationship, amino acids, protein folding, genetic code, sickle cell and CF, and computer modeling.
I believe option C. Composed of atoms is not a characteristic of life.
At first, the population of predators would spike and increase quickly, but then over time, gradually decrease.
(This is because at first there's more food, so the predators population increases. But overtime it begins to level out and the predators' population catches up with the prey, and in result, doesn't continue increasing.)