Unit 3: Cell Membrane

What types of cells have a cell membrane?

• Eukaryotes

• Prokaryotes

• Plant & Animal

• All of these

Which organelle in a cell has a main function to control what goes in and out of the cell?

• Nucleus

• Cell Wall

• Cell Membrane

• Mitochondria

What is the main function of the cell membrane?

• Holds genetic DNA in the cell

• Gives the cell energy

• Controls what goes in/out of the cell

• Produces proteins

Which type of cell does NOT contain a nucleus?

• Prokaryote

• Eukaryote

• Plant

• Animal

What is the cell membrane made out of?

• Phospholipid Layer

• Phosphoprotein Bilayer

• Phospholipid Bilayer

• Phosphocarb Bilayer

Which of the following correctly states what the phospholipid bilayer is made of?

• A hydrophobic head and a hydrophilic tail

• A hydrophobic tail and a hydrophilic head

• A hydrophobic head and a hydrophobic tail

• A hydrodphilic head and a hydrophilic tail

What does hydrophobic mean?

• Water fearing

• Water loving

• Fear of oceans

• Obsession of lakes

What does hydrophilic mean?

• Water fearing

• Water loving

• Scared of rivers

• Obsession of pools

In the phospholipid bilayer, which part is attracted to water?

• Heads

• Tails

In the phospholipid bilayer, which part is NOT attracted to water?

• Heads

• Tails