Which One of the Following Statements Describes the Process Through

question 68

Multiple Choice

Which one of the following statements describes the process through which a primary RNA transcript becomes a functional mRNA?

• A) Sections of the primary transcript called exons are removed, and the sections that remain are spliced together.
• B) Sections of RNA called exons are added to the primary transcript.
• C) A primary transcript needs no editing and is immediately ready to function as mRNA.
• D) Noncoding sections of the primary transcript, called introns, are removed, and the remaining coding sections, called exons, are spliced together.
• E) Random sections of the primary transcript called exons are replaced with sections called introns.

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Definitions:

Nucl

Likely a shorthand or abbreviation for "nuclear," generally related to fields or substances associated with atomic nuclei, such as in nuclear medicine.

Fluor/o

A combining form used in medical terminology referring to fluoride or fluorine.

Milli-

A prefix in the metric system denoting a factor of one thousandth (0.001).

Ultra-

A prefix used to denote something that is beyond the usual or extreme, often seen in medical terms like "ultrasound," referring to sound waves at frequencies above those audible to humans.