Identify the basic amino acid from the following.

1. Tyrosine

2. Glutamic Acid

3. Lysine

4. Valine

Doubtly Asked 30 Oct 2026 NEET UG 2020 Practice test neet Save WhatsApp Report

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Answer: 3. Lysine

Lysine has an extra amino group in its side chain, so it is a basic amino acid (like arginine and histidine).

Glutamic acid is acidic, and tyrosine and valine are neutral amino acids.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

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