In7 the Figure Below, How Does the Molecule Labeled a Affect

question 50

Multiple Choice

In7 the figure below, how does the molecule labeled A affect enzyme function?

• A)It is an inhibitor that changes the enzyme's active site.
• B)It is a substrate imposter that keeps the regular substrate from binding.
• C)It is a second substrate for an enzyme that works on two substrates.
• D)It lowers the activation energy for the chemical reaction.

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Definitions:

Sensory Information

Data obtained from the environment by sensory receptors, then transmitted to the brain for processing and response.

Superior Colliculi

Paired structures located on the dorsal aspect of the midbrain, involved in processing visual (and other sensory) information and coordinating eye movements.

Reflexively Duck

An automatic, quick response to move or lower the head to avoid a hazard or threat.

Reticular Formation

A complex network of nerve pathways within the brainstem involved in consciousness and the regulation of sleep-wake cycles.