Which of the Following Mechanisms Is (Are)used to Coordinate the Expression

question 36

Multiple Choice

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

• A) Genes are organized into clusters, with local chromatin structures influencing the expression of all the genes at once.
• B) The genes share a common intragenic sequence, and allow several activators to turn on their transcription, regardless of location.
• C) The genes are organized into large operons, allowing them to be transcribed as a single unit.
• D) A single repressor is able to turn off several related genes.
• E) Environmental signals enter the cell and bind directly to promoters.

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Definitions:

Cognitive Processes

The cognitive operations or activities engaged in obtaining knowledge and comprehension through thinking, experiencing, and sensory input.

Genetic Predispositions

Inherent genetic traits that may influence an individual’s likelihood of developing certain diseases, behaviors, or characteristics.

Cognitive Map

A mental representation of the layout of one’s environment. For example, after exploring a maze, rats act as if they have learned a cognitive map of it.

Mental Representation

The mental imagery or symbols used to understand and process information about the world around.