Question

Which of the following sets consists only of essential amino acids ?

• A. Alanine, tyrosine, cystine
• B. Leucine, lysine, tryptophane
• C. Alanine, glutamine, lycine
• D. Leucine, proline, glycine

Answer 1

Answer: (B)

Leucine, lysine, tryptophane

Answer 2

Essential amino acids $(10)$ are as follows-
(i) Arginine
(ii) Histidine
(iii) Isoleucine
(iv) Leucine
(v) Lysine
(vi) Methionine
(vii) Phenylalanine
(viii) Threonine
(ix) Tryptophane
(x) Valine