13562058
Description
Flashcards by Niamh Clarke, updated more than 1 year ago
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Created by Elena Cade
over 9 years ago
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Copied by Niamh Clarke
over 6 years ago
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| Question | Answer |
| The Bilayer is made of: | Phospholipids |
| Term used for membrane surrounding the cell: | Cell-Surface Membrane |
| Term used for membrane surrounding an organelle: | Plasma Membrane |
| Term used for a double membrane: | Envelope |
| Carriers and Channels are made of: | Proteins |
| A different in concentration is also known as a: | Gradient |
| Equation for Ficks Law: | |
| Definition of Water Potential: | A measure of the ability of water to move |
| Maximum water potential: | 0 KPa |
| Is Facilitated diffusion passive and why? | Yes - because it goes down the concentration gradient |
| Is active transport passive and why? | No - It requires energy in the form of ATP because it goes against the concentration gradient |
| Properties of molecules transported across bilayer: | Non-Polar / Lipid Soulable |
| Role of Glycoproteins: | Cell Recognition |
| In terms of water potential, describe the direction of movement of water: | High water potential to a low water potenial |
| Process by which water moves: | Osmosis |
| What do Carrier proteins do during active transport: | Change shape |
| What does the term 'net' mean: | Overall |
| Function of plasma membranes: | Control and Transport of substances |
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