Which Is Not a Feature of Eukaryotic MRNA Processing

question 23

Multiple Choice

Which is not a feature of eukaryotic mRNA processing?

• A)Addition of a 5'-5' triphosphate linkage to GTP.
• B)Methylation of the terminal CCA triad.
• C)Addition of a polyA tail to the 3' end.
• D)Removal of intron sequences.

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Definitions:

Internal

Located or occurring within an organism or one of its parts.

Norepinephrine

A neurotransmitter and hormone involved in arousal, alertness, and regulation of blood pressure, among other physiological processes.

Manic Episode

a period of abnormally elevated mood, arousal, and energy levels, often seen in bipolar disorder.

Neurotransmitter

A chemical substance released at the end of a nerve fiber by the arrival of a nerve impulse, transmitting the impulse to another nerve fiber, a muscle fiber, or some other structure.