Which of the following occurs when alanyl-tRNAser is added to a protein synthetic system?
A) Synthesis ceases at the first alanine codon.
B) Synthesis ceases at the first serine codon.
C) Alanine will be present in the serine positions of the completed protein.
D) Serine will be present in the alanine positions of the completed protein.
E) Alanine-tRNAser-EF1-GTP complex will not be formed.

Question

Quizplus · Accepted Answer

Alanine will be incorporated into the positions where serine is coded in the mRNA because the tRNA is charged with alanine but has the anticodon for serine. This results in alanine being placed in the positions where serine is expected in the protein being synthesized.

Which of the Following Occurs When Alanyl-TRNAser Is Added to a Protein