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Biochemistry Proteins and Amino Acids 097b9eee

Which of the following special amino acid is not formed by post-translational modification?

A
Triodothyronine
B
Hydroxyproline
C
Hydroxylysine
D
Selenocysteine
High-Yield Explanation
Ans. D. SelenocysteineSelenocysteine is formed by cotranslational modification. All others are derived amino acids. Derived amino acids are formed by post-translational modification.

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