JEE Main Chemistry question

[GUJ CET 2008] Which one of the following statements about amino acids is not true?

(A)They are constituents of all protein
(B)They are all high melting solids
(C)Most naturally occurring amino acids have D-configurationsCorrect
(D)They are characterized by isoelectric point

Answer: (C)

Solution

In fact, nearly all naturally occurring amino acids found in proteins have the L-configuration, not the D-configuration, which makes statement (c) false. Amino acids genuinely are the building blocks of all proteins, are

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Question ID VK-150680