Zinc, an Essential Trace Element for Most Organisms, Is Present

question 53

Multiple Choice

Zinc, an essential trace element for most organisms, is present in the active site of the enzyme carboxypeptidase. The zinc most likely functions as a(n)

• A) competitive inhibitor of the enzyme.
• B) noncompetitive inhibitor of the enzyme.
• C) allosteric activator of the enzyme.
• D) cofactor necessary for enzyme activity.
• E) coenzyme derived from a vitamin.

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Definitions:

Supply and Demand

A fundamental economic model that describes how prices and quantity of goods and services are determined in a market.

Equilibrium Price

The price at which the quantity of a good or service supplied matches the quantity demanded, causing the market to be in a state of balance.

Equilibrium Price

The price at which the quantity of a good or service demanded equals the quantity supplied, leading to a stable market condition without excess supply or demand.

Supply and Demand

Fundamental economic model describing how the price and quantity of a good are determined in a market, based on the relationship between product availability and consumers' desire for it.