Amino acids are the building blocks of proteins. which of these best describes an amino acid?

The buildup of sediments where a river empties into a slow-moving or nonmoving body of water is known as a/an

Mike has a problem with his testosterone. he is unable to produce enough. which will most likely be affected by his inability to produce testosterone? check all that apply.

Body temperature is tightly regulated in mammals for example when external temperatures drop too much the body of a mammal responds by in order to its core temperature?