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Animation: Protein Synthesis (Quiz 1)
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View the animation below, then complete the quiz to test your knowledge of the concept.






1Which of the following combinations are correctly matched?
A)70S – ribosome
B)anticodon – mRNA
C)codon – tRNA
D)A and B
E)A, B, and C



2Which of the following occurs as the ribosome shifts down the mRNA by a distance of one codon?
A)the tRNA that was in the A site picks up another amino acid
B)the tRNA that was in the A site releases the growing polypeptide chain
C)the tRNA that was in the A site moves into the P site
D)the tRNA that was in the P site moves into the A site
E)the tRNA that was in the P site picks up another amino acid



3A certain polypeptide is 100 amino acids in length. During translation of this polypeptide, how many amino acids entered through the A site of the ribosome?
A)1
B)9
C)50
D)99
E)100



4The large ribosomal subunit joins the translation initiation complex after the small subunit has already joined.
A)True
B)False



5Elongation of the polypeptide chain is terminated when a stop codon enters the P site of the ribosome.
A)True
B)False







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