Which of the Following Mechanisms Is Used to Coordinate the Expression

question 14

Multiple Choice

Which of the following mechanisms is used to coordinate the expression of multiple, related genes in eukaryotic cells?

• A) Environmental signals enter the cell and bind directly to promoters.
• B) A given gene may have multiple enhancers, but each enhancer is generally associated with only that gene and no other.
• C) The genes are organised into a large operon, allowing them to be coordinately controlled as a single unit.
• D) A single repressor is able to turn off several related genes.

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Definitions:

Coronoid Process

The coronoid process is a triangular structure on the upper anterior part of the ulna bone in the forearm that serves as a point of attachment for muscle.

Mandible

The lower jawbone, which is the largest and strongest bone of the face, involved in chewing movements.

Temporal

Related to the temples of the head or to time.

Maxilla

is a pair of bones forming the upper jaw and part of the orbits of the eyes, holding the upper teeth.