Chapter 6

Question 1

Osmosis can be defined as:

Answer 1

The net movement of water molecules from a region of higher solute concentration to a region of lower solute concentration.

Question 2

If red blood cells containing 10% solute are placed in a solution containing 10% solute, what will happen?

Answer 2

Water will move into and out of the cells at equal rates.

Question 3

Facilitated diffusion is not an active transport process because it:

Answer 3

does not depend on cell energy.

Question 4

A molecule or other agent that alters enzyme function by changing its shape is called a(n):

Answer 4

allosteric effector.

Question 5

Functional proteins that regulate cell functions by regulating metabolic pathways are called:

Answer 5

enzymes.