Cell Membrane Transport

Which statement best describes the cell membrane?

• The protective outer layer that controls what enters and leaves the cell.
  
• Stores information on DNA molecules / Directs and controls the activities of the cell.
  
• A folded membrane that moves materials around inside cells / Also acts as the site of manufacturing materials needed by the cell.
  
• The smallest organelle with a huge job / Makes proteins, which are the building blocks of the body.
  

What is NOT TRUE about the cell membrane?

• It controls what enters and leaves the cell
• Semipermeable
• Phospholipid bilayer
• Contains digestive enzymes

What does "bilayer" mean?

• one layer
• two layers
• laminated
• bilateral

What is embedded in the phospholipid bilayer?

• Proteins
• Salt
• Water
• Worms

What forms the channels and pumps in the phospholipid bilayer?

• Carbohydrates
• Proteins
• Hydrophilic heads 
• Lipids

Which type of Passive Transport is being represented in this picture?

• Passive Diffusion
• Simple Diffusion
• Active Diffusion
• Facilitated Diffusion

Which transport does not require energy?

• Passive
• Active 

which of the following terms means the movement of water from high concentration to low concentration

• diffusion
• prokaryotes
• osmosis
• concentration

True or False:  Regulating what enters and leaves the cell helps the cell maintain homeostasis. 

• True
• False

• Passive Transport
• Active Transport