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Chapter 16: Q. 34 (page 416)

How can external stimuli alter post-transcriptional control of gene expression?

Short Answer

Expert verified

RBPs can be modified and alter the post-transcriptional control of gene expression.

Step by step solution

01

Step 1. Introduction

Post-transcriptional processes involve pre-mRNA modification such as capping, splicing, and tailing or adenylation.

02

Step 2. Explanation

External stimuli can modify the RNA binding protein or RBPs through the process of phosphorylation of protein to alter the activity and post-transcriptional process to control gene expression.

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Most popular questions from this chapter

Protein modification can alter gene expression in many ways. Describe how phosphorylation of proteins can alter gene expression

What will result from the binding of a transcription factor to an enhancer region?

a. decreased transcription of an adjacent gene

b. increased transcription of a distant gene

c. alteration of the translation of an adjacent gene

d. initiation of the recruitment of RNA polymerase

Control of gene expression in eukaryotic cells occurs at which level(s)?

a. only the transcriptional level

b. epigenetic and transcriptional levels

c. epigenetic, transcriptional, and translational levels

d. epigenetic, transcriptional, post-transcriptional, translational, and post-translational levels

A scientist discovers a virus encoding a Protein X that degrades a subunit of the eIF4F complex. Knowing that this virus transcribes its own mRNAs in the cytoplasm of human cells, why would Protein X be an effective virulence factor?

An unprocessed pre-mRNA has the following structure.

Which of the following is not a possible size (in bp) of the mature mRNA? a. 205bp b. 180bp c. 150bp d. 100bp
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