How Specific Are Enzymes

question 33

Multiple Choice

How specific are enzymes?

• A)Many enzymes can "cross over" to catalyze reactions of different substrates in the same chemical family
• B)There are 20 amino acids and therefore 20 enzymes that control all protein metabolic reactions
• C)An enzyme catalyzes one reaction but it may produce one product one time,another product another time
• D)An enzyme catalyzes one reaction and it produces a distinct product

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Definitions:

Outermost Shell

The last or furthest energy level of an atom where electrons can be found, significant in determining an element's chemical properties.

Atomic Mass

Average of atom mass units for all the isotopes of an atom.

Ionic Compound

A chemical compound composed of ions held together by ionic bonds, typically formed between metal and non-metal elements.

Calcium Chloride

A chemical compound used in various applications, including as a de-icing agent, in food preservation, and in laboratory settings to provide a source of calcium ions.