If You Randomly Select a Committee of Two from a Group

question 54

Multiple Choice

If you randomly select a committee of two from a group of two men and two women, what is the probability that the group is all female?

• A) 1/2
• B) 1/4
• C) 1/6
• D) 1/12

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Definitions:

First Messenger

A signaling molecule that binds to a receptor at the surface of a cell, initiating a series of intracellular events that lead to a biological response.

Acetylcholine

A neurotransmitter in both the peripheral and central nervous system that is involved in muscle activation, heart rate, and memory function.

Cyclic AMP

Cyclic AMP (cAMP) is a second messenger important in many biological processes, serving as a signaling molecule that transduces extracellular signals into cellular responses.

Signal Transduction

Signal Transduction is the process by which a cell converts one kind of signal or stimulus into another, involving a sequence of biochemical reactions inside the cell, which are carried out by enzymes and linked through second messengers.