Membrane phospholipids:

Small molecules such as fatty acids which can dissolve in lipids:

Which components of the cell membrane are responsible for actively carrying materials across the membrane?

Match these terms to their descriptions. The same term may be used more than once or not at all.

On this diagram of a portion of a plasma membrane, the red objects are the _______ , the blue objects sticking out of the top are the _______ , the round purple objects are the _______ heads of the phospholipids, and attached to each of those are two _______ tails of the phospholipids. This whole model is called the _______ model of the plasma membrane. (Be sure to use correct spelling!) 

On this diagram of a bacterial cell, the part labeled X is a:

A fat molecule is composed of ___ and 3 fatty acids.

A cell is treated with a chemical that prevents it from dividing. The cell becomes larger and larger. This situation:

Which of the following is FALSE about the denaturation of a protein?

You are told that the cells on a microscope slide are either plant, animal, or bacterial cells. You look at them and see cell walls and mitochondria. What can you conclude about the cells?