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

Hydrophilic means...

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

Tags

NGSS.HS-PS1-2

Most of the cell membrane is made of...

• Lipids
• Carbohydrates
• Proteins
• Nucleic acids

What does "bilayer" mean?

• one layer
• two layers
• laminated
• bilateral

Hydrophilic portion of cell membrane?

• A
• C
• D
• E 

Hydrophobic region of the cell membrane?

• E
• B
• C
• A 

What is another term for "selectively permeable"?

• porous
• completely permeable
• permanent
• semipermeable

What forms the channels and pumps in the phospholipid bilayer?

• carbohydrates
• proteins
• hydrophilic heads 
• lipids

Which of the following is responsible for getting large or charged (polar) molecules across the cell membrane?

• E
• B
• C
• D

What is embedded in the phospholipid bilayer?

• proteins
• salt
• water