Question

QUESTION 1

The RNA recognition motif is the most common RNA-binding domain in hnRNP proteins. Another name for this motif is:

A) all are correct

B) RNA-binding domain

C) KH motif

D) RNA motif

QUESTION 2

In an experiment you have used recombinant DNA technology to create hnRNP C protein tagged with green fluorescent protein and hnRNP A1 protein tagged with red fluorescent protein. What would you expect to see when the proteins are expressed and visualized in Xenopus cells?

A) red fluorescence only in the nucleus

B) green fluorescence only in the cytoplasm

C) red fluorescence only in the cytoplasm

D) green and red fluorescence in the nucleus

QUESTION 3

Mutations that affect the binding of an SR protein to an exonic splicing enhancer can cause exon skipping in some genes, producing mRNAs that when translated yield nonfunctional proteins. In addition to an RNA-binding domain, SR proteins also contain an RS domain that is involved in binding:

A) none of the above

B) RNA

C) protein

D) DNA