In the Lock-And-Key Model of Enzyme Action,the Enzyme Active Site

question 47

Multiple Choice

In the lock-and-key model of enzyme action,the enzyme active site is thought of as ________.

• A)a rigid,nonflexible shape that fits the substrate exactly
• B)an area of the enzyme that can adjust to fit the substrate shape
• C)a key-like shape that fits into a pocket of the substrate surface
• D)a hydrophilic area on the enzyme surface
• E)a lock that bars a noncompetitive inhibitor from reacting

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Definitions:

Compounded Quarterly

Compounded quarterly refers to the process of calculating interest on an investment or loan by adding the interest to the principal amount every quarter, allowing the interest to earn interest in subsequent periods.

Quarterly Payments

Quarterly payments are payments made four times a year at regular intervals, often used in the context of dividends, taxes, or loan repayments.

Interest Rate

This refers to the cost of borrowing money or the return earned on an investment, generally expressed as a yearly percentage.

Home Mortgage Loan

A loan used to purchase a residential property, secured by the home itself.