LE Review: The Cell

Front

Name the 3 parts of cell theory:

Back

1. The cell is the basic unit of structure and function
2. All living things are made of one or more cells
3. New cells arise from existing cells

Front

What is the cell membrane made of?

Back

Front

A particle attempts to pass through a cell membrane.

Which property of the particle has the most influence on whether it will pass through or not?

Back

Front

The current, acceptable model that explains cell membrane structure is...

Back

Front

A phospholipid molecule has a bent, fatty acid tail. What caused this?

Back

A double bond between carbon atoms and an unsaturated fatty acid

Front

Cell membrane phospholipid tails are _________

Back

Front

Describe 2 types of proteins within the cell membrane:

Back

#1 channel proteins OR

#2 gated proteins

both help substances pass through the cell membrane

Front

Which is the most common component of a cell membrane?

Back

Front

What does fluid mosaic mean?

Back

Front

Name 3 things that cholesterol does in cell membranes:

Back

1. It strengthens the membrane, preventing it from falling apart

2. It decreases permeability for water soluble substances

3. It increases membrane flexibility