Cell Membrane Practice

How does a cell maintain homeostasis?

• Regulates what enters and leaves the cell
• Flexibility
• Protective barrier
• Structure and support

Tags

NGSS.MS-LS1-2

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.

Tags

NGSS.MS-LS1-2

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

• Lipids
• Carbs
• Proteins
• Nucleic Acids

Tags

NGSS.MS-LS1-2

Lipid tails are...

• Nonpolar
• Polar

Tags

NGSS.MS-PS1-1

Lipid tails are...

• Hydrophobic
• Hydrophilic

Lipid heads are...

• Polar
• Nonpolar

Tags

NGSS.MS-PS1-1

Lipid heads are...

• Hydrophobic
• Hydrophilic

What does hydrophobic mean?

• Likes water as a friend
• Dissolves in water
• Loves water
• Hates water

What does hydrophilic mean?

• Fills water up
• Hates water
• Loves water
• Only associates with water if it has to

What does polar mean?

• Unequal charge
• Equal charge
• Arctic area
• Bear that drinks Coca-Cola