Synthesis of a protein stops when
A)any of three specific anticodons are encountered in the mRNA.
B)there is no more DNA.
C)any of three "stop" codons are encountered in the mRNA.
D)the ribosome becomes fatigued.

Question

Quizplus · Accepted Answer

Protein synthesis stops when any one of the three "stop" codons (UAA, UAG, UGA) are encountered in the mRNA. These codons signal the end of the protein coding sequence and are not recognized by any tRNA molecule, which leads to termination of translation.

Synthesis of a Protein Stops When