Which of the Following Mechanisms Is Used to Coordinate the Expression

question 23

Multiple Choice

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

• A) A specific combination of control elements in each gene's enhancer coordinates the simultaneous activation of the genes.
• B) The genes share a single common enhancer, which allows appropriate activators to turn on their transcription at the same time.
• 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:

Decision-making Process

A series of steps undertaken by individuals or organizations to select the best course of action among several alternatives.

Evaluate Results

The process of analyzing outcomes to determine the effectiveness of actions taken and to inform future decisions.

Alternative Courses of Action

Different strategies or options available to an individual or organization when making decisions or solving problems.

Availability Bias

A cognitive bias that causes people to overestimate the importance or frequency of information that is readily available to them.