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

Tags

NGSS.MS-LS1-2

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