An Enzyme Undergoes a Mutation That Causes It to Lose $\rightarrow$

question 58

Multiple Choice

An enzyme undergoes a mutation that causes it to lose the ability to be regulated via phosphorylation. Which of the following mutations may lead to this loss of regulation? Assume that the overall structure is not altered by the mutation.

• A) Ser \(\rightarrow\)Thr
• B) Thr \(\rightarrow\) Ser
• C) Tyr \(\rightarrow\) Phe
• D) Ser \(\rightarrow\) Tyr

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Definitions:

Corpus Callosum

A large band of neural fibers connecting the two hemispheres of the brain, facilitating communication and coordination between them.

Split Brain

A condition in which the corpus callosum is surgically cut and the two hemispheres of the brain do not receive information directly from each other.

Epilepsy

A neurological disorder marked by sudden recurrent episodes of sensory disturbance, loss of consciousness, or convulsions, associated with abnormal electrical activity in the brain.

Right Hemisphere

The half of the brain that controls the left side of the body, often associated with creativity and spatial ability.