AS Science in society key terms Science in society AS definitions of key terms 3.5 / 5 based on 6 ratings ? Science in SocietyASAQA Created by: ChantelleCreated on: 27-03-11 18:45 Germ A microbe which can cause disease 1 of 36 The immune system The system of orgnas and celss that help to defend the body against infection and fight disease 2 of 36 What are toxins? poisons prodcued by living cells or organisms 3 of 36 What is an incest vector an insect speies which transmits disease. 4 of 36 What are antibodies bind to a specific bacterium or virus so that it can be destroyed by other cells of the immune system 5 of 36 What are medicenes consist of one or more drugs, mixed with other inhert materials, and in a combined way which makes the treatment available 6 of 36 What is an antibiotic? a chemical produced by a microbe that kills or limits the growth of another microbe 7 of 36 Microbes are minute living beings which are only visible with the help of a microscope 8 of 36 What are stem cells cells that are not specialised 9 of 36 Reprodictive cloning uses nuclear transfer to create an embryo which is then implanted in the womb of an animal 10 of 36 What are genetic tests They look for mutated genes known to cause a particular disease 11 of 36 What is fuel a material for burning 12 of 36 What is a cohort study a study which invloves patients who are receiving a particular treatment are followed over time and compared with another group who are not treated 13 of 36 Half-life the time taken for the rate of emissions from a sample of the isotope to fall by half 14 of 36 What is a biobank a database of genetic, clinical, environmental and lifestyle information on indivuals, togther with corresponding clinical specimens 15 of 36 What are fossil fuels fossilised remains of prehistoric rainforests or tiny marine animals, formed over millions of years 16 of 36 Intrinsic brightness A measure of how bright a star really is 17 of 36 What is apparent brightness How bright a star looks to us 18 of 36 IVF stands for: In vitro fertilisation 19 of 36 What are Alleles Different forms of a gene 20 of 36 What is a case control-study studies in which patients who already have a certain condition are compared with people who do not. 21 of 36 What is a randomised controlled study? Involves two groups: one receives the treatment being tested while the control group receives no treatment or some standard treatment 22 of 36 A signiture of life is evidence that life has existed in the place that is being studied 23 of 36 PGD stands for Preimplantation genetic diagnosis 24 of 36 Ionising radiation radiation with enough eneregy to break up molecules and turn them into electrically charged ions 25 of 36 What is a patent a licence granted to an inventor, which gives the inventor the legal right to stop anyone else from making, using or selling the invention 26 of 36 Renewable energy A source which is being (or can be) replaced as it it used 27 of 36 A population is.. A group of organisms belonging to the same species 28 of 36 An ecosystem is.. an interacting unit consisting of all the living organisms in a particular environment togther with non-living components such as water 29 of 36 What is a double-blind study One in which neither the patient nor the doctor knows whether the patient is receiving the new medicine or the control treatmen 30 of 36 What is a geocentric model? Aristotle's model in which the earth is at the centre 31 of 36 What are variable stars Most stars are constant in brightness. But some vary in brightness, this is known as variable stars 32 of 36 What is a Cepheid variable A group of stars which rise and falls in brightness in a steady regular pattern 33 of 36 Cosmology is.. the scientific study of the formation and evolution of the universe 34 of 36 Alternative medicine Describes the treatments that differ from orthodox, drug based medicine. 35 of 36 Complementary medicine includeds alternative diagnostic and therapeutic approaches which are used alongside conventional medicine. 36 of 36
Comments
Report
Report
Report
Report