5. If the external ion concentration is high, cells
shrink. This happens due to
____. (Explain your...
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Biology
5. If the external ion concentration is high, cellsshrink. This happens due to ____. (Explain your answer.) a. diffusion b. denaturation c. osmosis d. facilitated diffusion
6. The process by which ATP provides energy requiredfor muscle contraction is a. chemical reaction. b. mechanical work. c. transport work. d. chemical work.
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5 Animal and plant cells are both surounded by a selectively permeable membrane Through this membrane some chemicals like water and oxygen can move freely acroos the membrane but other chemicals like big protein molecules and DNA are blocked by the membrane Osmosis is the diffusion of water through a membrane The water always moves from a high concentration to a lower concentration There are three cases in this if we place a plant or animal cell in isotonic solution where the concentration of water is same in both the cell and in the surrounding there is no movement
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