A Couple Has Four Children

question 29

Multiple Choice

A couple has four children. What is the probability that they have four boys?

• A) 1/2
• B) 1/16
• C) 1/4
• D) 1/32
• E) 1/8

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Definitions:

Steroid Hormones

Lipid-soluble molecules derived from cholesterol that regulate a variety of physiological functions including metabolism, inflammation, and sexual function.

Plasma Membrane

The lipid bilayer that surrounds a cell, controlling the passage of substances in and out of the cell.

Phosphodiesterase

Enzyme that splits phosphodiester bonds—that is, that breaks down cyclic AMP to AMP.

Phosphodiesterase

An enzyme that plays a role in cell signal transduction by breaking down phosphodiester bonds.