A Cell May Meet the Demand for Large Quantities of a Specific

question 35

Multiple Choice

A cell may meet the demand for large quantities of a specific protein by:

• A) blocking transcription of the gene that encodes the protein
• B) decreasing the half-life of the mRNA that specifies the protein
• C) adding methyl groups to the gene that encodes the protein
• D) gene amplification
• E) inhibition of DNA synthesis

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Definitions:

Hogback

A narrow ridge with steep slopes on either side, often formed by the erosion of tilted layers of resistant rocks.

Razorback

A sharp, narrow ridge or a serrated series of peaks often found in rugged mountains.

U-Shaped Valley

A type of valley formed by the action of glaciers, characterized by its U-shaped cross-section, unlike the V-shaped valleys formed by rivers.

Cirque

A bowl-shaped, steep-walled mountain basin carved by glaciation, often serving as the birthplace of a glacier.