McGraw-Hill Online Learning Center Test

McGraw-Hill Online Learning Center Test


1. Review the image and answer the following questions.

What is a spliceosome?

A. A spliceosome is a special kind of ribosomal enzyme.
B. A spliceosone is a special kind of enzyme that cleaves pre-mRNA.
C. A spliceosome is a unit containing pre-mRNA, several kinds of snRNPs, and non-snRNP splicing factors that is the site of splicing of pre-mRNA.
D. A spliceosome is a complex of pre-mRNA and protein, waiting for processing.


2. What is a snRNP?

A. This is a carrier molecule that transports mRNA out of the nucleus.
B. a type of cytoskeleton filament
C. an enzyme that processes mRNA
D. small nuclear ribonucleoprotein particle
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