Chapter 5

Describe how lipids with hydrophilic and hydrophobic regions behave in an aqueous environment.

Describe two ways in which proteins associate with membranes.

Describe an experiment that demonstrates that proteins move in membranes.

Name three parameters that need to be stably maintained inside a cell.

Explain the role of lipids and proteins in maintaining the selective permeability of membranes.

Distinguish between passive and active transport mechanisms across cell membranes.

Describe three different ways in which cells maintain size and composition.

Name the major organelles in eukaryotic cells and describe their functions.