Which of the Following Post-Transcriptional Modifications Results in Functional MRNA

question 124

Multiple Choice

Which of the following post-transcriptional modifications results in functional mRNA?

• A) the addition of introns at the 5' end
• B) the addition of exons at the 3' end
• C) the addition of a methylated guanine at the 5' end and a poly-A tail at the 3' end
• D) the addition of introns at the 3' end and a poly-A tail at the 5' end

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Definitions:

Cocaine

A powerful stimulant drug derived from the leaves of the coca plant, which is used medicinally as a local anesthetic but is also abused for its euphoric effects.

CNS

Central Nervous System, consisting of the brain and spinal cord, responsible for processing and sending out signals.

Autonomic Division

A part of the nervous system that controls involuntary bodily functions, including the heart rate and digestion.

Peripheral Nervous System

The peripheral nervous system consists of the nerves and ganglia outside of the brain and spinal cord, responsible for transmitting information to and from the central nervous system.