Cell Membrane and Transport Review

What is the diffusion of water?

• osmosis
• active transport
• diffusion
• facilitated diffusion

Which type of movement requires energy?

• osmosis
• active transport
• diffusion
• facilitated diffusion

Which type of movement goes from low to high concentration?

• active transport
• diffusion
• osmosis, 
• facilitated diffusion

What are the three types of transport that go from high to low concentration?

• active transport, osmosis, facilitated diffusion
• diffusion, osmosis, facilitated diffusion
• osmosis, active transport, isotonic
• facilitated diffusion, hypertonic, active transport

What type of solution is a cell in when it gets bigger than normal while in tap water?

• hypertonic

• isotonic

• hypotonic

What type of solution is a cell in when it shrinks while in salt water?

• hypertonic

• isotonic

• hypotonic

What type of solution is a cell in when it stays the same size?

• hypertonic
• isotonic
• hypotonic

What uses proteins (the proteins make a channel) to move molecules across the a membrane. It does not require energy

• osmosis
• diffusion
• facilitated diffusion
• active transport

Which of the following terms refers to a membrane allows some molecules to pass through while blocking other molecules?

• Homeostatic
• Selectively permeable
• Hydrophobic
• Passively permeable

If the water concentration in a cell is 90% and the water concentration outside the cell is 95%, what direction will the water move?

• Into the cell
• Out of the cell
• The water will not move