Information about the cell membrane and transport
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each of the black spaces below before clicking
on it to display the answer.
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| The primary molecule that forms a cell membrane | Phospholipid
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| Water loving | Hydrophilic
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| These three types of molecules can diffuse through the cell membrane without help | Small molecules, nonpolar molecules, and some water molecules
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| This phrase describes how molecules in the cell membrane float together unattached | Fluid Mosaic model
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| This phrase describes the cell membrane's ability to control what enters and leaves | Selectively permeable
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| The process by which a solute Will spread from an area of high concentration to Low concentration | Diffusion
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| This word describes a condition where one area in a solution has a higher concentration than another | Concentration gradient
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| Passive transport moves this way relative to the gradient | Down or with the gradient
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| Passive transport is different from active transport in this important way | It does not use energy
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| Large molecules may diffuse through the cell membrane with the help of these molecules | Channel proteins
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| When water moves across the cell membrane due to a difference in concentration | Osmosis
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| This form of active transport involves moving material into the cell | Endocytosis
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| This part of a phospholipid is hydrophilic | The head
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| This part of a phospholipid faces away from water | The tails
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| Based upon the arrangement of the phospholipids, the cell membrane has been described using this two word term | Phospholipid bilayer
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| ATP is used to open or close a special channel protein in this form of active transport | Protein pump
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| Water will flow out of a cell if it is placed in this type of solution | Hypertonic
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| Water fearing | Hydrophobic
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| An animal cell may swell and burst in this type of solution | Hypotonic
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| Controlling the material that moves in and out of the cell helps living things maintain this | Homeostasis
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| If I have a cell in an isotonic solution, what would most likely happen if I added salt to the solution | The cell would shrink
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| This form of active transport involves moving material out of the cell | Exocytosis
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| If a large molecule uses a protein to move across the cell membrane without using any energy, it is this specific form of transport | Facilitated diffusion
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| 3 forms of passive transport | Diffusion, facilitated diffusion, osmosis
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