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Biomolecules — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYBiomolecules1 Mark
MCQ
How many essential amino acids are known?
  • A
    20
  • B
    21
  • C
    22
  • D
    23
✓

Answer

  1. 21

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