Biology 0.0 / 5 ? Religious StudiesPhilosophy and ethicsGCSEAQA Created by: jennifercharlotte_Created on: 15-06-17 21:08 what is an enzyme? A biological catalyst 1 of 27 what time of respiration requires oxygen? aerobic respiration 2 of 27 what is the term for when a species gets separated and evolve and look like a new species? speciation 3 of 27 what word means having identical pairs of genes for any given pair of hereditary characteristics homozygous 4 of 27 what 2 factors that affect enzymes? ph and temperarture 5 of 27 what can enzymes be used for in industry sports drink 6 of 27 name another thing enzymes can be used for in industry baby food 7 of 27 name one more thing enzymes can be used for in industry washing powder 8 of 27 what is the term for when a cell divides and produces and exact copy mitosis 9 of 27 which means the food breaks down faster? more acidic 10 of 27 what type of respiration doesn't need oxygen? anerobic 11 of 27 which way can energy from respiration not be used breathing 12 of 27 what word means having dissimilar pairs of genes for any hereditary characteristic? heterozygous 13 of 27 what is a gene? a section of DNA 14 of 27 what is polydactyly? a condition where people have more than five fingers or toes on each hand or foot 15 of 27 what happens in fertilisation? an egg joins with a sperm cell and the DNA combines 16 of 27 how are fossils formed? sand and mud layers and hardens around the hard bits of an animals 17 of 27 what is cystic fibrosis caused by? a reccesive allele 18 of 27 what means a reaction where heat/energy is given off? exothermic 19 of 27 what means a reaction that takes in energy from the environment and bonds to be broken? endothermic 20 of 27 what are positive ions called? cation 21 of 27 what means when a neutron is fired at an atom and splits it then the atoms splits and fires another neutron? nuclear fission 22 of 27 what word means the reaction where nuclei are fused to form a heavier nucleus? nuclear fusion 23 of 27 what is the world for the average time it takes for half of the original nuclei to decay? half life 24 of 27 what is current? a flow of electrons 25 of 27 how many core cables are in a u.k plug? 3 26 of 27 what wire is the brown wire? the live wire 27 of 27
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