After Lysozyme Binds Its Substrate,the Enzyme Undergoes a Conformational Change

question 44

Multiple Choice

After lysozyme binds its substrate,the enzyme undergoes a conformational change that distorts residue D in the substrate.Which of the following best describes this distortion?

• A)from a chair to a half-chair conformation
• B)from a half-chair to a chair conformation
• C)from a chair to a boat conformation
• D)from a boat to a chair conformation
• E)from a boat to a half-chair conformation

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Definitions:

Serotonin

A neurotransmitter in the brain involved in regulating mood, appetite, and sleep among other functions.

Acetylcholine

A neurotransmitter involved in many functions including muscle movement, heart rate, memory, and also acts as a neuromodulator in the central and peripheral nervous systems.

Dopamine

A neurotransmitter involved in many brain functions, including reward and motivation, motor control, and the regulation of mood.

Rebound Insomnia

A condition where difficulty sleeping reoccurs or worsens after discontinuing sleeping pills, leading to temporary sleep disturbances.