Question
March 12, 2021

miRNAs can control gene expression by what action?

A. Binding to mRNAs and degrading them or blocking their translation

B. Binding to DNA and preventing transcription of certain genes

C. Inhibiting the catalytic activity of rRNA

D. Seeking out viral DNA and destroying it

E. Degrading proteins as soon as they are formed

Answer
Milly J.
98%

(A) Binding to miRNAs and degrading them or blocking their translation. The miRNAs influence the messenger RNAs for the control of gene expressions to occur. This biology subject can be researched further by a student for more information on gene expression and also to get a better grade.

Ken Chandler
98%

The mRNAs can control gene expression by binding to messenger RNAs and degrading them or blocking their translation. miRNAs can virtually ‘silence’ genes by binding to mRNA transcripts. Subject to that, enzymes can either break down mRNAs or not complete translation when physically interacting with the ribosomes.

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