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- Created by: saraht83
- Created on: 29-04-16 10:56
1. What is diffusion rate determined by?
- temperature, size, charge and concentration gradient
- temperature, saturation, charge and concentration gradient
- temperature, size, charge and cytoplasmic fibres
- transmembrane proteins, size, charge and concentration gradient
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2. What model describes the plasma membrane?
- phospholipid trilayer model
- fluid mosaic model
- fluid phospholipid model
- fluid bilayer model
3. What do transmembrane proteins do?
- span the entire length of membrane
- span half the length of membrane
- carry receptor molecules
- have a channel to allow proteins through
4. Are peripheral membrane proteins embedded?
5. What do tight junctions do?
- link adjacent epithelial cells, restrict protein migration, prevent substances moving through intercellular space
- link adjacent muscle cells, restrict protein synthesis, prevent substances moving through intercellular space
- link adjacent endothelium cells, restrict protein migration, prevent protein synthesis
- link adjacent muscle cells, restrict protein migration, prevent substances moving through intercellular space
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