Unit 5 Flashcards (11SA) 0.0 / 5 ? BiologyMicrobes and diseaseGCSEAQA Created by: Ben JeffreyCreated on: 06-09-16 21:40 What is the definition of pathogen? A microorganism/microbe that causes (infectious disease) 1 of 33 What is used to treat bacterial infections/ Antibiotics 2 of 33 What type of medicine will 'relieve the symptoms'? Painkillers 3 of 33 What is known as the 'rate of chemical reactions in the body'? Metabolism 4 of 33 Name one method a white blood cell can defend against pathogens Produce antibodies, antitoxins or engulf pathogens 5 of 33 What did Semmelweiss suggest Doctors do between patients? Wash their hands 6 of 33 What is in a vaccination? An inactive pathogen 7 of 33 What cells are stimulated by the vaccination and what do they produce? White blood cells - produce antibodies 8 of 33 What must be done to the 'inoculating loop' before you try and transfer microbes (onto your petri dish)? It must sterilised (by passing through a flame) 9 of 33 What cells detect stimuli (like light, sound etc)? Receptors 10 of 33 Name the order of neurons in a reflex Sensory neuron, relay neuron, motor neuron. 11 of 33 What is the gap between neurons called? A synapse 12 of 33 Name 2 of the 4 conditions your body needs to keep constant Water levels, ion levels, temperature and blood sugar/glucose levels.` 13 of 33 Name 2 of the 3 hormones involved in the menstrual cycle FSH, LH, Oestrogen 14 of 33 How long does the menstrual cycle last? 28 days 15 of 33 What hormone causes the eggs to mature (in the menstrual cycle)? FSHq 16 of 33 What hormone causes the eggs to be released (in the menstrual cycle)? LH 17 of 33 What hormone in plants helps them grow towards light? Auxins 18 of 33 What are drugs tested on before humans? Animals 19 of 33 What is an organism (living thing) that can live in extreme conditions? An extremophile 20 of 33 What colour objects are good ABSORBERS of infrared radiation? Black/Matt objects 21 of 33 What colour objects are good REFLECTED of infrared radiation? Shiny objects 22 of 33 What 'C' is type of energy transfer that occurs well in solids? Conduction 23 of 33 What 'C' is type of energy transfer where hot air can rise? Convection 24 of 33 What is the name for a 'dummy pill' or fake drug in a drugs trial Placebo 25 of 33 Name the 3 subatomic particles (parts) of the atom Proton, neutron, electron 26 of 33 Are protons positively or negatively charged? Positively 27 of 33 What is the chemical name for limestone? Calcium Carbonate 28 of 33 What is limestone damaged by? Acid Rain 29 of 33 What gas is limewater used to detect? Carbon Dioxide 30 of 33 What is a 'molecule containing hydrogen and carbon only'? A hydrocarbon 31 of 33 What is released during the combustion (burning) of a hydrocarbon? Carbon dioxide and water 32 of 33 Give a use of copper Wiring, pipes 33 of 33
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