Biology

Biology

Cell Structure and Function

What is the advantage of being small and why is outer surface area important to a microorganism, ie. what is the ultimate effect?

Cell Membrane:

What is a phospholipid (ie. fatty acid + glycerol)

What parts are hydrophobic?  Hydrophilic?

What holds the phospholipids in a membrane together?

What are sterols and hopanoids?  How do they differ from phospholipids?  What characteristic do they give cell membranes?

How do archaeal and bacterial cell membranes differ?

What is passive diffusion

What is osmosis

What are the 3 types of facilitator proteins and how do they transport molecules?

What is energy-linked transport?

–what are the 3 types of energy-linked transport?

–explain how they work and what type of energy they involve