Enzymes Are Able to Speed Up the Rate of a Reaction

question 65

Multiple Choice

Enzymes are able to speed up the rate of a reaction by

• A) carrying substrates closer together.
• B) binding substrates to a membrane.
• C) producing more enzymes.
• D) lowering the energy needed for the reaction to proceed.
• E) producing more substrate.

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Definitions:

Ovary

The female reproductive organ in plants and animals where eggs (ova) are produced.

Polyspermy

The fertilization of an egg by more than one sperm.

Acrosomal Enzymes

Enzymes contained in the acrosome of a sperm cell, which help the sperm penetrate the egg during fertilization.

Sperm-resistant Membrane

A barrier that prevents sperm from penetrating and fertilizing an egg, contributing to contraceptive strategies or infertility.