Suppose an Antibody to Bindin Was Introduced into a Chamber

question 17

Multiple Choice

Suppose an antibody to bindin was introduced into a chamber containing sea urchin sperm and eggs.You predict that the antibody-treated sperm will _____.

• A)be able to fertilize the eggs normally
• B)be able to fertilize eggs from other species
• C)not be attracted to bind to the egg membrane
• D)not be able to swim toward the egg

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Definitions:

Circadian Rhythm

A cycle that is connected with the 24-hour period of the Earth’s rotation.

Mental Alertness

The state of being watchful, fully aware, and mentally responsive to the immediate environment or stimuli.

Tolerance

Habituation to a drug, with the result that increasingly higher doses of the drug are needed to achieve similar effects.

Cocaine

A powerful stimulant drug derived from the leaves of the coca plant, which can lead to serious physical and psychological effects and dependency.