The Cell Membrane

What is another term for "selectively permeable"?

• porous
• completely permeable
• permanent
• semipermeable

Most of the cell membrane is made of...

• Lipids
• Carbohydrates
• Proteins
• Nucleic acids

What forms the channels and pumps in the phospholipid bilayer?

• carbohydrates

• proteins

• hydrophilic heads

• lipids

Tags

NGSS.MS-LS1-2

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

• Lipids
• Carbohydrates
• Proteins
• Nucleic Acids

Tags

NGSS.MS-LS1-2

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

• E
• B
• C
• D

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

• C
• E
• B
• D

The _____ in the plasma membrane prevents the fatty acids tails from sticking together. 

• carbohydrate chains
• cholesterol
• proteins
• lipids

Tags

NGSS.MS-LS1-2

Protein...

• A
• B
• C
• D

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

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

• the phosphate "head"

• the lipid "tails"

Where can PROTEINS 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

Tags

NGSS.MS-LS1-2