All of the Statements Concerning the Cap on MRNA Are

question 55

Multiple Choice

All of the statements concerning the cap on mRNA are TRUE EXCEPT

• A) the methyl groups are contributed by S-adenosyl methionine.
• B) it is located at the 5' end of eukaryotic mRNA.
• C) its structure includes 7 methyl guanine.
• D) its structure may include 2'0-methyl groups.
• E) an RNA polymerase is responsible for adding this structure to the primary transcript.

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Definitions:

Optic Nerve

A pair of nerves transmitting visual information from the retina to the brain.

Amplitude

The height or strength of a wave signal, which in the context of sound, relates to its loudness.

Fovea

A small depression in the retina where visual acuity is highest, and the concentration of cones is maximized for sharp central vision.

Energy

The capacity to do work, or the power derived from the utilization of physical or chemical resources to provide light, heat, or to work machines.