Bacteria are responsible, in some way, for all but one of the processes in earth's environment. that is
a) photosynthesis.
b) phosphorylation.
c) recycling carbon.
d) nitrogen fixation.

Adoctor is trying to diagnose a patient with dry skin. which of the following resources would be the most ? a magazine ad about soft skin a growth chart online articles about dry skin medical books

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?

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?