?

Cellular and Molecular Biology

Free Version

Upgrade subject to access all content

Easy

Polyadenylation of mRNA

CELLS-JAX42@

Messenger RNA (mRNA) has a poly-A tail.

Which of the following statements is FALSE regarding the poly-A tail on mRNA?

Celeste R. Wiechmann. Created for Albert.io. Copyright 2016. All rights reserved.

A

The poly-A tail stabilizes mRNA to prevent degradation.

B

The poly-A tail aids in export of mRNA from the nucleus.

C

The poly-A tail is added to transcribed mRNA by poly-A polymerase.

D

The poly-A tail is an integral part of the open reading frame.

E

The poly-A tail can be composed of several hundred adenosines.