Which one of the following statements about the incorporation of selenocysteine into proteins is true?

A. Selenocysteine is an example of a posttranslational modification.
B. The tRNA used to translate selenocysteine at a stop codon is first charged with serine.
C. The tRNA used to translate selenocysteine at a stop codon has an anticodon sequence of UGA.
D. The serine bound to the tRNA used to translate selenocysteine at a stop codon is converted to selenocysteine by the enzyme SelB.


B

Biology & Microbiology

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