Which two elements are always found in amino acids?

A nitrogen and sulfur

B carbon and oxygen

C hydrogen and phosphorus

D sulfur and oxygen

Well let's see, amino acids are part of the Protein bio molecule, which has carbon, oxygen, hydrogen, and nitrogen. Since amino acids are the monosaccharide, you can cross off A, C, and D.

Which two elements are always found in amino acids?

B. carbon and oxygen