Cell Membrane

The function of the cell 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

Most of the cell membrane is made of...

• Phospholipids

• Carbohydrates

• Proteins

• Nucleic acids

What do the brown structures represent?

• Phospholipids

• cholesterol

• Proteins

• Cyctoskeleton Filaments

What is embedded in the phospholipid bilayer?

• proteins
• salt
• water
• trapped animals

Hydrophilic means...

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

Hydrophobic region of the cell membrane?

• E

• B

• C

• A

What is D

• Phospholipid
• carrier protein
• cholesterol
• peripheral protein

Which type of biological macromolecule is the main component of the plasma membrane?

• carbohydrate

• lipid

• protein

• nucleic acid

This image is an example of a phospholipid. Which part of a phospholipid is HYDROPHOBIC?

• the phosphate "head"

• the lipid "tails"

Where can carbohydrates be found when part of a plasma membrane?

• On the outside of the membrane

• On the inside of the membrane

• Embedded part of the way into the membrane

• Embedded the whole way through the membrane

• All of the above