California State University, Fullerton » Biology » Biology 251 - Genetics » Spring 2021

Question #1

Translation initiation in bacteria involves recruitment of the initiator tRNA with the translation factor ________ that binds along with GTP.

A. IF1

B. IF3

C. RF3

D. IF2

E. EF-Tu

Question #2

The peptide bond is formed by the catalytic activity of the:

A. elongation factor EF-Tu.

B. elongation factor EF-Ts.

C. large rRNA.

D. small rRNA.

Question #3

The energy for the peptide bond formed between two amino acids comes from:

A. hydrolysis of ATP during elongation.

B. hydrolysis of GTP during initiation.

C. hydrolysis of GTP during elongation.

D. hydrolysis of ATP during tRNA charging.

Question #4

Movement of the ribosome one codon in the direction 5' to 3' following formation of the peptide bond is called:

A. translocation.

B. scanning.

C. transversion.

D. transportation.

E. transformation.

Question #5

The eukarytotic translation initiation mechanism uses a _____________ mechanism beginning at the 5' cap.

A. scanning

B. looping

C. degradation

D. complementary base-pairing