CH 5 FITB

Question 1

The concentration gradient ____ until the concentrations are _____

Answer 1

The concentration gradient decreases until the concentrations are equal

Question 2

In a cell, ______ of particles occurs across the _______ _______ ______.

Answer 2

In a cell, diffuaion of particles occurs across the selectively permeable membrane

Question 3

The exchange of ______ and ______ _______ happens ____________. This makes it ________ for you to have a ___________ supply of ________-_______ _______

Answer 3

The exchange of oxygen and carbon dioxide happens continuously. This makes it necessary for you to have a constant supply of oxygen-rich blood

Question 4

The ______ ______ ______ allows _________ particles to pass through but not _______ particles

Answer 4

The selectively permeable membrane allows water particles to pass through but not protein particles