cousins middle school, 7th grade, cell transport
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| active transport | the movement of substances across a cell membrane that uses ENERGY- can move LARGE particles (such as in endocytosis and exocytosis) OR move against equilibrium
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| passive transport | this movement of a substance across a cell membrane that uses NO ENERGY- moves small particles- moves things from areas of high concentration to areas of less concentration until equilibrium is acheived
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| endocytosis | a process in which a cell surrounds a particle and brings it in using energy- creates a vesicle around it
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| exocytosis | a process in which a cell surrounds a particle and pushes it out using energy- creates a vesicle around it
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| diffusion | movement of particles across a membrane from high concentration to lower concentration until equal= any substance other than water
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| osmosis | same as diffusion but only with water
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| photosynthesis | process by which plants (and some algae and bacteria) make glucose from the sun- happens in chloroplasts
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| cellular respiration | process by which cells break down sugar for energy
happens in the mitochondria, uses oxygen- water is a waste product
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| fermentation | process by which the cell breaks down sugar for energy, happens in the cytoplasm, does not use oxygen- lactic acid and alcohol can be waste products
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| homeostasis | the maintenance of a constant internal state in a changing environment- a cell's happy place
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| semipermeable membrane | a barrier that lets some things go through, but not everything
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| glucose | sugar
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