Which of the Following Statements Is Correct

question 45

Multiple Choice

Which of the following statements is correct?
i.The shape and polarity of the active site of an enzyme allows only a few dozen substrate molecules to bind reversibly to the enzyme at a time.
ii.If a substrate remains bound to an enzyme,that enzyme molecule can no longer function as a catalyst.
iii.Military nerve gases are examples of irreversible inhibitors.

• A)i only
• B)ii only
• C)iii only
• D)i and ii
• E)ii and iii

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Definitions:

Olfaction

The sense of smell, which is the process of detecting and identifying airborne substances.

Unmyelinated C Fibres

Nerve fibers lacking a myelin sheath, involved in transmitting slow-conducting pain and temperature sensations.

Myelinated A-Delta Fibres

Fast-conducting nerve fibers wrapped in myelin sheath that transmit sharp, immediate pain signals to the brain.

Throbbing Pain

A type of pain characterized by a pulsating sensation, often in sync with the heartbeat, and usually indicative of inflammation or other underlying conditions.