cell theory and membrane

What is one major difference between passive and active transport?

• Passive transport uses energy; active transport does not.
• Both types of transport use energy.
• Active transport uses energy; passive transport does not.
• No difference. They are both the same.

Something is ___________ ____________
when some molecules can cross the membrane while others cannot. 

• Selectively (or Semi) Permeable 
• Totally Transparent
• Liquid Licorice 
• Heavily Patrolled 

Nemo and other ocean dwelling fish cannot survive in freshwater because......

• freshwater is hypertonic to Nemo's cells and will result in water leaving them causing the cells to shrink

• freshwater is hypotonic to Nemo's cells and will result in water leaving them causing the cells to shrink

• freshwater is hypertonic to Nemo's cells and will result in water entering them causing the cells to swell and burst

• freshwater is hypotonic to Nemo's cells and will result in water enter them causing the cells to swell and burst

In an isotonic solution which way will the water flow

• it will not flow at all

• it will flow into the cell

• it will flow both ways at equal rates

• out of the cell

What is the main function of the cell membrane?

• A. To provide structure to the cell

• B. To control the movement of substances in and out of the cell

• C. To produce energy for the cell

• D. To store genetic information

What is diffusion?

• A. The movement of water across a semipermeable membrane

• B. The movement of molecules from an area of high concentration to an area of low concentration

• C. The movement of molecules from an area of low concentration to an area of high concentration

• D. The movement of ions across a membrane

What type of macromolecule makes up this membrane?

• Glycerol

• Steroid

• Phospholipid

• Glucose

Osmosis is the movement of _____ across a membrane.

• food
• energy
• oxygen
• water

All cells have a:

• Nucleus
• Plasma membrane
• Cell wall
• Buddy

What do you think will not allow the turgid plant cell to burst?

• chloroplast

• cell membrane

• cell wall

• central vacuole