Easy INTEGER +4 / -1

The number of essential amino acids in humans is $x$.

Answer (integer) 9

Solution

9 essential amino acids: Val, Met, Thr, Trp, Ile, Leu, Lys, Phe, His (cannot be synthesised by humans — must be obtained from diet).

About this question

Subject: Chemistry · Chapter: Biomolecules · Topic: Proteins and Amino Acids

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