JEE Main Chemistry question

Which one is absent in protein?

(A)C
(B)N
(C)S
(D)PCorrect

Answer: (D)

Solution

Simple proteins are built from carbon, hydrogen, oxygen and nitrogen, and may also contain sulphur (from cysteine/methionine residues), but phosphorus is not a standard constituent of the amino acid-based

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Question ID VK-150796