Cell Membrane

The function of the plasma membrane is....

• to regulate what enters and leaves the cell.

• fight bacteria and viruses that enter the cell.

• provide rigid support and protection to the cell.

• make sure each cell can move

What do the brown structures represent?

• Phospholipids

• Glycoproteins

• Channel Proteins 

• Cyctoskeleton Filaments

Most of the cell membrane is made of...

• Lipids

• Carbohydrates

• Proteins

• Nucleic acids

What is embedded in the phospholipid bilayer?

• proteins

• salt

• water

• trapped animals

Hydrophobic region of the cell membrane?

• E

• B

• C

• A 

Hydrophilic portion of cell membrane?

• A

• C

• D

• E 

A phospholipid has 2 parts. What are they called? 

• Hydrophilic Head, Hydrophobic Tail 

• Hydrophobic Head, Hydrophilic Tail 

Describes the arrangement of the cell membrane as bendable and made of many parts. 

• The Fluid Mosaic Model 

• The Major Mobility Model 

• The Crazy Cell Model

• The Maze Model

___________ allow cells to recognize each other and act like ID tags. 

• Carbohydrates 

• Proteins

• Phospholipids 

• Cholesterol

___________ have 2 functions in the cell membrane.
1.) They act like gatekeepers, only let certain things in. 
2.) Enzyme receptors embedded in the membrane.

• Carbohydrates 

• Proteins 

• Phospholipids 

• Cholesterol