The 5ʹ Cap in an MRNA Plays a Role in Translation

question 64

Multiple Choice

The 5ʹ cap in an mRNA plays a role in translation initiation. Which of the following could be a plausible mechanism by which a 5ʹ cap could enhance initiation?

• A) The 5ʹ cap could assist in bringing together the snRNPs for spliceosome assembly.
• B) The 5ʹ cap could recruit proteins that would help to assemble the ribosomes.
• C) The 5ʹ cap could assist in the identification of stop codons within the mRNA.
• D) The 5ʹ cap could serve as a marker for the ribosome to locate promoters.
• E) The 5ʹ cap could assist in the unwinding of the DNA to allow ribosome access to the DNA.

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Definitions:

Intelligence

The capacity to learn, understand, and apply knowledge, solve problems, and adapt to new situations.

Reinforcement

In behavioral psychology, a process by which a behavior is strengthened or increased by following it with a positive stimulus or the removal of a negative one.

Vicarious Learning

A learning process where individuals learn by observing the actions and outcomes of others, rather than through direct experience.

Insight Learning

The process of learning how to solve a problem or do something new by applying what is already known.