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Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
What is selectively permeable?   Certain molecules can pass through, but not all.  
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What are pores?   Small holes that allow very small molecules to move in and out freely.  
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What are the two main types of transport?   Active and passive transport  
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What is passive transport?   Molecules move from high to low, without ATP energy  
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What is active transport?   Molecules move from low to high, with ATP energy  
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What is diffusion?   The movement of molecules from areas of high concentration to areas of lower concentration due to random movement.  
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What is a Concentration gradient?   The term used to describe the difference between higher and lower concentration.  
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What is osmosis?   the movement of water across a membrane due to diffusion.  
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What does equilibrium mean?   The point at which the molecules are evenly dispersed  
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What is Hypertonic?   having a higher osmotic pressure than a particular fluid, typically a body fluid or intracellular fluid.  
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What is Hypotonic?   having a lower osmotic pressure than a particular fluid, typically a body fluid or intracellular fluid.  
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What is Isotonic?   denoting or relating to a solution having the same osmotic pressure as some other solution, especially one in a cell or a body fluid.  
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What is Anaerobic Respiration?   Respiration without oxygen, produces less ATP  
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What is Aerobic Respiration?   Respiration with oxygen, produces more ATP  
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What is ATP energy?   able to store and transport chemical energy within cells.  
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