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Which of the following statements about protein synthesis is false? During prote

ID: 41269 • Letter: W

Question

Which of the following statements about protein synthesis is false?

During protein chain elongation, the ribosome moves closer to the 3' end of the mRNA template.

Proteins are synthesized from the amino terminus to the carboxy terminus.

The next amino acid to be added to the growing protein chain is carried by its tRNA into the empty A site.

The tRNA in the A site moves down one codon towards the 3' end of the mRNA.

The growing protein chain is passed from the tRNA in the P site to the charged tRNA in the A site.

a.

During protein chain elongation, the ribosome moves closer to the 3' end of the mRNA template.

b.

Proteins are synthesized from the amino terminus to the carboxy terminus.

c.

The next amino acid to be added to the growing protein chain is carried by its tRNA into the empty A site.

d.

The tRNA in the A site moves down one codon towards the 3' end of the mRNA.

e.

The growing protein chain is passed from the tRNA in the P site to the charged tRNA in the A site.

Explanation / Answer

The tRNA in the A site moves down one codon towards the 3' end of the mRNA.

d.

The tRNA in the A site moves down one codon towards the 3' end of the mRNA.

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