Consider the following statements:

I: Glycine is the simplest amino acid, with a hydrogen atom as its side chain (R group).
II: Tryptophan is an aromatic amino acid.
III: Lysine is an acidic amino acid.

 
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct

Subtopic:  Different Amino Acids |
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