Eukaryotes Have Three Nuclear RNA Polymerases

question 7

Multiple Choice

Eukaryotes have three nuclear RNA polymerases. The primary function of RNA polymerase II is

• A) transcription of only tRNA- coding genes.
• B) transcription of only rRNA- coding genes.
• C) transcription of both rRNA- and tRNA- coding genes.
• D) transcription of protein- coding genes.

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Definitions:

Retrograde Pyelography

A diagnostic X-ray technique in which a contrast medium is introduced into the kidneys from the bladder to visualize the urinary system.

Urethral Catheter

A pliable conduit placed via the urethra into the bladder for the purpose of draining urine.

Contrast Medium

A substance used in medical imaging to improve the visibility of internal bodily structures in radiographic studies like MRIs and CT scans.

Invasive Procedure

A medical test or operation that involves entering the body, often through cutting or inserting instruments into a body cavity.