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| Question | Answer |
| Stages in Phagocytosis | 1. Phagocyte recognises the pathogen 2. cytoplasm flows around, engulfing the pathogen 3. pathogen is taken into the phagocyte in a phagosome 4. lysosomes move towards the phagosome 5. lysosomes fuse with the phagosome, releasing enzymes 6. enzymes digest the pathogen |
| Why are vaccines effective? | They stimulate the development of memory cells |
| What does cholera bacteria do? | the toxin causes chloride ions to move into the lumen this causes the water potential to drop and water moves out by osmosis |
| Proteins | contain only CHONS contain H-bonds within the molecule are polymers |
| Polysaccharides | contain CHO only do not have H bonds within the molecule are polymers |
| Triglycerides | contain CHOP only do not have H bonds within the molecule are not polymers |
| Phospholipids | contain CHOP only do not have H bonds within the molecule are not polymers |
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