Cell membrane

Name structure I (Hint: it helps with flexibility and strength of the cell membrane)

• Fatty acid

• Cholesterol

• Carrier protein

• Phospahate

Which type of molecule forms a bilayer within a cell membrane?

• Phosphate

• Protein

• Phospholipid

• Carbohydrate

The cell membrane contains ______________ to transport substances without energy

• Glycoproteins

• Proteins

• Carrier proteins

• Chanel proteins

Which one of these is NOT a function of the cell membrane?

• Regulate what comes in and out

• Produce lipids and proteins

• Allow communication between cells

• Provide protection for organelles

In a lipid bilayer, ___________ fatty acid tails face each other within the bilayer and form a region that excludes water.

• Hypertonic

• Hypotonic

• Hydrophobic

• Hydrophilic

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

• All materials can enter and leave the cell

• Certain things can enter while others cannot

• Only certain cells can interact with the cell.

• 
  The cell manually sorts through all materials