An Enzyme Will Specifically Bind Its Substrate Because Of

question 25

Multiple Choice

An enzyme will specifically bind its substrate because of:

• A) a tight lock-and-key binding mechanism.
• B) a high number of hydrophobic amino acids in the center of the protein.
• C) a large number of weak interactions at the active site.
• D) additional nonprotein cofactors.
• E) None of the above.

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Definitions:

Internal Sphincter

A muscle that helps control the passage of substances and is not under voluntary control, such as the internal anal sphincter controlling the release of feces.

Urinary Retention

A medical condition characterized by the inability to completely empty the bladder, leading to discomfort and potentially serious health issues.

Diphenhydramine

An antihistamine drug used to relieve symptoms of allergy, hay fever, and the common cold, as well as for inducing sleep.

Sterile Urine Specimen

A urine sample collected and handled in such a way to prevent contamination, used for medical testing.