The Amount of Enzyme Activity in a Cell That Is

question 49

Multiple Choice

The amount of enzyme activity in a cell that is homozygous for a mutant allele is 400 units. The amount of enzyme activity in a cell homozygous for the WT allele is 200 units. The amount of enzyme activity in a heterozygote is 300 units. What type of allele is the mutant allele?

• A)null
• B)hypomorphic
• C)hypermorphic
• D)dominant negative
• E)neomorphic

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Definitions:

LSD

Lysergic acid diethylamide, a powerful hallucinogenic drug that alters perception and mood.

Amphetamine

A stimulant drug that increases the activity in the central nervous system, boosting energy, concentration, and alertness.

Central Nervous System

The part of the nervous system consisting of the brain and spinal cord, responsible for integrating sensory information and responding accordingly.

Spinal Cord

A long, thin, tubular structure made up of nervous tissue that extends from the brainstem down the vertebral canal, playing a critical role in transmitting neural signals between the brain and the rest of the body.