In This Figure, Are the Genes That Encode the Enzymes

question 9

Multiple Choice

In this figure, are the genes that encode the enzymes needed to make tryptophan on or off?

• A) The genes are on because the genes involved in tryptophan production are housekeeping genes
• B) The genes are on because the complex of tryptophan and repressor protein allow RNA polymerase to bind to the promoter.
• C) The genes are off because the complex of tryptophan and repressor protein prevent RNA polymerase from interacting with regulatory DNA.
• D) The genes are off because when tryptophan is plentiful in the environment, RNA polymerase is not made.

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Definitions:

Gestalt Principle

A theory in psychology that proposes the human brain sees objects in their entirety before perceiving their individual parts, suggesting people have an innate disposition to organize patterns and objects.

Proximity

The state of being near or close in space, time, or relationship.

Closure

The act of bringing something to an end or conclusion, often providing a sense of resolution or completion.

Optical Illusions

Visual perceptions that differ from reality, where what we see doesn't match the physical measurement of the stimulus source.