A. translational control B. transcriptional control C. mRNA stability control D.

ID: 263252 • Letter: A

Question

A. translational control

B. transcriptional control

C. mRNA stability control

D. DNA sequence-level control

E. post-translational control

2.Which of the following molecules act as intracellular second messengers to control bacterial physiology? Select all that apply.

A.CRP

B.cytochromes

C.cAMP

D.methyl groups

E.ppGppF.c-di-GMP

A. all tRNAs are charged with their cognate amino acid.

B. the environment is high in lactose.

C. cellular ATP levels are high.

D. ribosome synthesis should be curtailed.

A. act as enzymes.

B. repress operator regions of the DNA.

C. inhibit translation by preventing access to the ribosomal binding site.

D. inhibit post-translation protein modifications.

A. use active transport to import glucose

B. continually rotate flagella in a clockwise direction

C. sense and respond to chemical gradients

D. channel chemical substrates through glycolysis

E. use chemicals as energy for motility

A. translational control B. transcriptional control C. mRNA stability control D.

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