The Cell Membrane

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"

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

• the phosphate "head"

• the lipid "tails"

Tags

NGSS.MS-LS1-2

What does "hydrophobic" mean?

• water loving, associates with water

• water fearing, does not associate with water

• a world war II submarine

• an example would be solutes like sugar or salt

Tags

NGSS.MS-PS1-1

What does "hydrophilic" mean?

• water loving, associates with water

• water fearing, does not associate with water

• a world war II submarine

• an example would be solutes like oil or fat

Tags

NGSS.MS-PS1-2

What is embedded in the phospholipid bilayer?

• proteins
• salt
• water

Tags

NGSS.MS-LS1-2

What are the carbohydrates in the cell membrane for?

• to form channels and pumps
• to help cells identify one another
• to make the membrane strong

Which of the following is NOT part of the cell membrane?

• Lipids
• Carbohydrates
• Proteins
• Nucleic Acids

Tags

NGSS.MS-LS1-2

Part of the plasma membrane responsible for cell recognition... 

• C
• E
• B
• D

Hydrophobic region of the cell membrane?

• E
• B
• C
• A