Cell Membrane/Cellular Transport

What is NOT TRUE about the cell membrane

• It controls what enters and leaves the cell
• Semipermeable
• Phospholipid bilayer
• Contains digestive enzymes

What does "bilayer" mean?

• one layer
• two layers
• laminated
• bilateral

Most of the cell membrane is made of...

• Lipids
• Carbohydrates
• Proteins
• Nucleic acids

What is embedded in the phospholipid bilayer for transport and structural support?

• proteins
• salt
• water
• trapped animals

What forms the channels and pumps that move substances through the phospholipid bilayer?

• carbohydrates
• proteins
• hydrophilic heads 
• lipids

Hydrophilic means...

• water-loving
• water-fearing
• nonpolar
• lipid soluble

Hydrophobic region of the cell membrane?

• E
• B
• C
• A 

Hydrophilic portion of cell membrane?

• A
• C
• D
• E 

A ______________ is composed of a phosphate and glycerol head and 2 fatty acid chain tails. 

• phospholipid 
• Carbohydrate
• Cholesterol 
• Protein 

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

• The Fluid Mosaic Model 

• The Major Mobility Model 

• The Crazy Cell Model

• The Maze Model