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18 Cards in this Set
- Front
- Back
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Plant cells become rigid and full but don't burst due to their..
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cell wall
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Animal cells in a __________
solution can swell and burst |
hypotonic
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The process of moving large or polar molecules into the cell, from low to high concentration is ...
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endocytosis
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Name an example of the Na/k (sodium potassium) pump
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active transport using membrane pumps
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What moves
molecules away from the equilibrium moves molecules from low to high concentrations uses energy |
Active Transport
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Phospholipds are made of 2 parts. The are phosphate groups which are __________
and fatty acid tails which are___________ |
1. Hydrophylic
2. hydrophobic |
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C1- wants to enter a cell moving from high to low concentration. How would it enter ?
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Using ion channels
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Phospholipid bilayers are vesticles used in __________
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exo/endocytosis
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Intregral proteins are _________ _______ that are embedded in the cell membrane
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membrane proteins
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How does increasing temperature affect the rate dsion?
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It increases the rate by speeding up molecules.
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The only polar molecule that is permeable to the cell membrane
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it is water
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What do phosolipds look like in the cell membrane?
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Be able to illustrate
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A cell in a hypertonic solution, define it, explain effects of cells
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be able to illustrate
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A cell in a hypotonic solution, define it , explain effects of cells
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be able to illustrate
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A cell in an isotonic solution
Define it, explain effect of cells |
Be able to illustrate
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What is the effect on cells from drinking salt water. Why is it bad?
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cells shrivel and become dehydrated due to hypertonic solution
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why are ions nonpermeable to the cell membranes?
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nonpolar Fa's repel them
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Why are small, nopolar molecules permeable to the cell membrane?
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nonpolar FA's attract them
and they are small enough to fit through phospholipids |
