biology topic 3 0.0 / 5 ? Biologyinfection and responseGCSEAQA Created by: lilystylesCreated on: 28-10-18 09:00 how can bacteria make us feel ill? by producing toxins(poisons) that damage your cells and tissues 1 of 17 give one way that fungi can cause disease hyphae(thread-like structures) can grow and penetrate human skin 2 of 17 how does tobacco mosaic virus affect a plant's growth? it can't grow as photosynthesis can't take place because of discoloured leaves 3 of 17 how are mosquitos involved in the spread of malaria? they pick up the malarial protist when they feed on an infected animal, then everytime it feeds on an animal it spreads it 4 of 17 what are the symptoms of gonorrhoea? pain when urinating, yellow/green discharge 5 of 17 how can destroying vectors prevent spread of disease? by getting rid of the organisms that spread disease, you can prevent it from being passed on 6 of 17 what does the stomach produce that can kill pathogens? hydrochloric acid 7 of 17 3 ways that white blood cells can defend against pathogens consuming them, producing antibodies or producing antitoxins 8 of 17 1 pro and 1 con of vaccination pro= helped control communicable diseases that were common. con= don't always work/give you immunity 9 of 17 what 2 things are drugs tested on in preclinical testing? human cells and tissues 10 of 17 what's meant by a drugs toxicity how harmful it is 11 of 17 what is a monoclonal antibody? they're produced from lots of clones of a single white blood cell. Identical antibodies 12 of 17 why might a fluorescent dye be added to monoclonal antibody? they bind to the specific molecules and they will attach to them if present and therefore will be attached to the dye 13 of 17 why aren't monoclonal antibodies used as drugs as much as scientists hoped they would be? they have lots of side effects 14 of 17 what do plants use magnesium ions for? making chlorophyll 15 of 17 1 way of identifying a plant disease common signs e.g. stunted growth - look in gardening manual 16 of 17 give 1 mechanical defence that a plant may have to defend itself thorns/hairs 17 of 17
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