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Human Biology

QuestionAnswer
Bacteria-Helpful example Probiotics like acifophilus
Bacteria-Harmful example Runny Nose-coccus Sore throat-diplicoccus Chest cough-bacillus
Fungi-Helpful example Mushrooms, penecilin
Fungi-Harmful example Athletes foot, thrush
Viruses-Helpful example Vaccine formation, colour in horticulture
Viruses-Harmful example Influenza, warts, noro virus
Binary- Fission- Two Splitting
Binary fission- Binary fission is splitting into two-ie- mitosis
3 conditions bacteria need to reproduce- Warmth(37 degrees) moisture, foodsource and space
Describe how bacteria can cause food poisoning- Bacteria reproduce on food if conditions allow growth, bacteria release toxins onto the food which can be poisonous to humans, making them sick.
Explain how fungi feed- -Feed by extra cellular digestion -Enzymes released outside the hyphae -Food broken down into monomers -Monomers produced travel from a region of high concentration into the hyphae where they are in short supply as they are being used to respire.
Explain how the life process of a micro organism used in making food- Respiration is the burning of nutrients, glucose+oxygen=carbon dioxide+water aerobic. In anaerobic respiration lactic acid is made creating acid taste in cheese.Excretion is the removal of metabolic wastes, includes respiration and undigested waste
" " eg-broken down proteins such as amino acids glycerol [oil] and urea [nitrogen]
Created by: lia.desousa
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