Chapter 8.2 Enzymes Flashcards

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0
Q

A protein catalyst that permits chemical reactions to proceed at low temperatures.

A

Enzyme

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1
Q

A chemical that increases the rate of chemical reactions without altering the products or being altered itself.

A

Catalyst

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2
Q

A molecule on which an enzyme works.

A

Substrate

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3
Q

The area of an enzyme that combines with the substrate.

A

Active Site.

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4
Q

An inorganic ion that helps an enzyme combine with a substrate molecule.

A

Cofactor.

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5
Q

An organic molecule synthesized from a vitamin that helps an enzyme to combine with a substrate molecule.

A

Coenzyme.

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6
Q

A molecule with a shape complementary to a specific enzyme that competes with the substrate for access to the active site of the enzyme and blocks chemical reactions.

A

Competitive Inhibitor.

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7
Q

The inhibition of an enzyme in a metabolic pathway by the final product of that pathway.

A

Feedback Inhibition.

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8
Q

The activation of the last enzyme in a metabolic pathway by the initial substrate.

A

Precursor Activity.

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9
Q

A change I’m an enzyme caused by the binding of a molecule.

A

Allosteric Activity.

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