Which of the following statements about translation elongation in bacteria is TR

Question

Which of the following statements about translation elongation in bacteria is TRUE?
A) Charged amino acids are escorted to the A site of the ribosome by an initiation factor.
B) The growing polypeptide chain is moved from the A site to the P site before peptide bond formation.
C) GTP hydrolysis occurs after moving the aminoacyl-tRNA into the A site and before peptide bond formation.
D) The entire peptidyl-tRNA is translocated from the P site to the A site during peptide bond formation.
E) The uncharged tRNA leaves from the E site as the ribosome moves one codon in the 5' direction.

Which of the following statements is FALSE?
A) There does not need to be as many different tRNA types as there are codons.
B) The modified bases in the tRNAs are added during transcription.
C) The amino acid is attached at the 3' terminus of the tRNA.
D) The 3D structures of all tRNA molecules are such that they fit equally well into the ribosome.
E) tRNA exhibits unusual base pairing including single bases pairing with two others.

Explanation / Answer

Ans to first question:

The following statement about translation elongation in bacteria is correct:

All other options are not true.

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Q. (2)

.

Which of the following statements is FALSE?

Ans:

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