In Eukaryotic Cells, a Negative Regulator or Silencer

question 55

Multiple Choice

In eukaryotic cells, a negative regulator or silencer

• A) is made of DNA.
• B) binds to the enhancer region to block transcription.
• C) is located both upstream and downstream from the promoter.
• D) binds to the operator to block RNA polymerase.
• E) binds to a repressor protein to reduce transcription rates.

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Definitions:

Aphasia

A disorder caused by damage to the parts of the brain that control language, affecting the ability to communicate effectively.

Hippocampus

A region of the brain involved in learning and memory formation.

Declarative Memory

The aspect of human memory that involves the recall of facts and events, known as 'knowing what', contrasted with procedural memory, which is 'knowing how'.

Sensory Memory

The shortest-term element of memory, which is the ability to retain impressions of sensory information after the original stimuli have ended.