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Cards In This Set
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Is a cell membrain semipermeable?
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Yes
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Substance can pass through a cell membrane by processes that depend on what two properties?
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Chemical and Physical
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The movement of substances through a cell membrane without using the cells energy.
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Passive transport
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What small molecules pass through membranes during Passive transport?
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Oxygen and Carbon dioxide
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What molecule passes through the cell membrane without using cell energy?
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Oxygen
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What are the 3 diiferent types of passive transport?
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Diffusion, Osmosis, and Facilitated Diffusion
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What is the movement of substances from an area of higher concentration to an area of lower concentration?
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Diffusion (Passive Transport)
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Diffusion continues through the cell membrane until the concentration of a substance is the same on both sides.
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True
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What is another name for Osmosis?
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The Diffusion of Water
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The diffusion of water molecules only through a membrane.
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Osmosis
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Are some molecules too large to travel through the membrane by diffusion?
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Yes
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When molecules pass through a cell membrane using special proteins called transport proteins.
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Facilltated Diffusion
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Facilltated Diffusion does not require this?
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Cell energy
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What are the two types of transport proteins?
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Carrier proteins and Channel proteins
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What do carrier proteins carry?
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Large molecules (sugar and glucose)
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