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11 Cards in this Set
- Front
- Back
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2 general roles of membranes |
separates contents from outside regulates transport of substances in and out |
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permeability |
allows certain substances inside the cell determined by properties polar, phillic/phobic |
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ways substances can move through the membranes |
diffusion (small) special channels dissolve into lipid bilayer |
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other roles at surface 1 |
has antigens to recognise cells
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other roles at surface 2 |
contains receptors + hormones + drugs may bind to surface |
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other roles at surface 3 |
chemicals to signal cells |
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other roles at surface 4 |
site of chemical reactions |
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other roles at surface 5 |
specific enzymes in specific metaB pathways |
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other roles eukaryotic cells 1 |
mitochondria cristae provides surface area for reactions |
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other roles eukaryotic cells 2 |
chlorophyll located in thylakoid membrane |
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other roles eukaryotic cells 3 |
digestive enzymes on plasma membrane of epithelial cells (small intestine)
catalyses final stages in sugar breakdown |
