Bio 7.2 Plasma Membrane

The cell membrane is selectively permeable, which means...

• All materials can enter and leave the cell
• Certain things can enter while others cannot
• The cell manually sorts through all materials
• Only certain cells can interact with the cell.

Most of the cell membrane is made of...

• Lipids
• Carbs
• Proteins
• Nucleic acids

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

• Lipids
• Carbs
• Proteins
• Nucleic Acids

Lipid tails are...

• Nonpolar
• Polar

Tags

NGSS.HS-PS1-2

Lipid heads are...

• Polar
• Nonpolar

When looking at the cell membrane, where are the lipid heads located?

• Floating between bilayer levels
• Outer part of the bilayer
• Inner part of the bilayer
• Located at different parts throughout the bilayer

When looking at the cell membrane, where are the lipid tails located?

• Inner part of the bilayer
• Outer part of the bilayer
• At the end of the bilayer
• Goes through each end of the bilayer

How many layers is the lipid bilayer?

• 1
• 2
• 3
• 4

Which of the following is responsible for getting complex molecules across the cell membrane?

• Lipids
• Carbs
• Proteins
• Nucleic Acids

Another name for plasma membrane is....

• cell wall
• Nuclear membrane
• Cell membrane
• plasma membrane