The correct answer is:
B. carbon, hydrogen, oxygen, and nitrogen
All standard amino acids contain these four elements.
A.
oxygen, hydrogen, nitrogen, potassium
B.
carbon, hydrogen, oxygen, and nitrogen
C.
carbon, hydrogen, sulfur, phosphorus
D.
oxygen, hydrogen, sulfur, phosphorus
1 answer
The correct answer is:
B. carbon, hydrogen, oxygen, and nitrogen
All standard amino acids contain these four elements.