Chymotrypsin, a Digestive Enzyme, Catalyzes the Hydrolysis of the Peptide

question 30

Multiple Choice

Chymotrypsin, a digestive enzyme, catalyzes the hydrolysis of the peptide bond at the carboxyl end of which of the following amino acids?

• A) phenylalanine
• B) tyrosine
• C) tryptophan
• D) histidine
• E) A, B & C

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Definitions:

Action Potential

A rapid rise and subsequent fall in voltage or electric potential across a cellular membrane, primarily found in neurons, that allows for the conduction of neural impulses.

Acetylcholinesterase

An enzyme that breaks down acetylcholine in the synaptic cleft, terminating the action of this neurotransmitter on muscles and nerve cells.

Acetylcholine

A neurotransmitter in both the central and peripheral nervous systems that plays a crucial role in the function of the brain and the muscles.

Postsynaptic

Relating to or occurring at the receiving end of a synapse in the nervous system where neuron-to-neuron communication takes place.