Amino Acids NEET 2025 Level Biomolecules Zoology NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

Which statement about amino acids is true?

1.	All amino acids possess a carboxyl group (-COOH) and an amino group (-NH₂) in their side chain.
2.	Amino acids serve as monomers for the synthesis of polysaccharides.
3.	Only 10 amino acids are synthesized in the human body and the rest must be obtained from the diet.
4.	The R-group (side chain) determines the unique characteristics and functions of each amino acid.

Subtopic: Amino Acids |

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