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RNA Processing and Gene Expression

RNA Processing and Gene Expression

Assessment

Interactive Video

•

Biology, Science

•

9th - 12th Grade

•

Practice Problem

•

Hard

Created by

Emma Peterson

FREE Resource

Eukaryotic cells process RNA post-transcription to form mature mRNA. This involves three main steps: capping, polyadenylation, and splicing. Capping adds a special nucleotide to the RNA's five prime end. Polyadenylation adds a long tail of adenine bases to the three prime end. Eukaryotic genes contain exons and introns; introns are removed during splicing by spliceosomes. The result is a mature mRNA ready for translation.

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in RNA processing in eukaryotic cells?

Polyadenylation

Splicing

Translation

Capping

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is added to the three prime end of RNA during polyadenylation?

A sequence of cytosine nucleotides

A long tail of adenine nucleotides

A ribosome binding site

A cap

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which regions of a eukaryotic gene encode parts of the protein product?

Enhancers

Promoters

Exons

Introns

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of spliceosomes in RNA processing?

To add a poly-A tail

To initiate translation

To add a cap to the RNA

To remove introns from the RNA

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final product of RNA processing in eukaryotic cells?

A mature mRNA ready for translation

A DNA strand

A ribosomal RNA

A protein

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