2
Q:
| A) Carbon | B) Nitrogen |
| C) Hydrogen & Oxygen | D) All of the above |
Answer: D) All of the above
Explanation:
Explanation:
The carbon, oxygen, hydrogen and nitrogen are the key elements in aminoacids as all aminoacids contain amine (NH2) and carboxyl (COOH) as functional groups and R group for every specific aminoacid.
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