Question

QUESTION 1

Which of the following regarding the P-body is FALSE?

A) it contains decapping enzymes.

B) it is the site where polysomes form.

C) it has exoribonuclease activity.

D) it is a deadenylase complex.

QUESTION 2

Cells use several ways to avoid the translation of improperly processed mRNA molecules. _____ is(are) considered mRNA surveillance mechanisms.

Select all correct answers.

A) No-go decay

B) Nonsense-mediated decay

C) None is correct.

D) Non-stop decay

QUESTION 3

Which of the following mRNA processing factors does NOT associate with the CTD of RNA polymerase II?

A) splicing factors

B) polyadenylation factors

C) miRNAs/siRNAs

D) capping proteins

QUESTION 4

Knocking out the dicer gene in mammals would lead to a loss of:

A) snRNAs

B) miRNAs

C) mRNAs

D) shRNAs