F212 4.5 / 5 based on 7 ratings ? BiologyASOCR Created by: CourtneyCreated on: 31-05-13 17:21 Water is a _____ molecule Polar 1 of 57 Two amino acids Dipeptide 2 of 57 More than two amino acids Polypeptide 3 of 57 Sequence of amino acids held together by peptide bonds Primary structure 4 of 57 An example of quaternary structure Haemoglobin 5 of 57 Collagen is a _______ protein Fibrous 6 of 57 Globular protein that is soluble in water. Haemoglobin 7 of 57 Monosaccharides are bonded by _________ bonds Glycosidic 8 of 57 More than two monosaccharides Polysaccharide 9 of 57 Plants store excess glucose as... Starch 10 of 57 Polysaccharide, extremely branched, compact Glycogen 11 of 57 One glycerol and three fatty acids Triglyceride 12 of 57 Test for sugars Benedicts test 13 of 57 Test for stretch Iodine 14 of 57 Test for protein Burnet 15 of 57 Test for lipids Emulsion test 16 of 57 DNA has a double _____ structure Helix 17 of 57 Adenine bonds with Thymine 18 of 57 Guanine bonds with Cytosine 19 of 57 Replaces thymine in RNA Uracil 20 of 57 DNA replication is Semi conservative 21 of 57 Enzymes are _____ proteins Globular 22 of 57 Enzymes speed up reactions meaning they are... Biological catalysts 23 of 57 Active site can be denatured by pH and ________ Temperature 24 of 57 Substrates and enzymes form an... Enzyme substrate complex 25 of 57 Inhibitor that is a similar shape to substrate and compete to bind to active site but no reaction takes place Competitive 26 of 57 Too little or too much nutrition in diet Malnutrition 27 of 57 Result of reduced blood flow to heart CHD 28 of 57 Produced by saturated fat, cholesterol and protein LDL 29 of 57 Chemicals that increase crop yield Fertilisers 30 of 57 Chemicals that kill pests Pesticides 31 of 57 Good characteristic chosen and are bred together over sever generations to create ideal offspring Selective breeding 32 of 57 Disrupts DNA structure of microorganisms, killing them and preserving food Irradiation 33 of 57 Reduces enzyme activity due to low pH Pickling 34 of 57 State of physical, mental and social well being including absence of disease Health 35 of 57 Organism that can cause damage to an organism it infects Pathogen 36 of 57 Plasmodium transmitted by vector, infects liver and red blood cells Malaria 37 of 57 Molecules that identify pathogen and provide neutralising agent Antibodies 38 of 57 Molecule that can simulate an immune response Antigen 39 of 57 Deliberate exposure to antigenic material which activates the immune system to make an immune response and provide immunity Vaccine 40 of 57 Immune system makes its own antibodies after being simulated by an antigen - long term Active immunity 41 of 57 An example of this is antibodies being passed from a mother to child via placenta or breast milk Passive immunity 42 of 57 Death of part of a brain tissue due to loss of blood flow, can be cause by smoking Stroke 43 of 57 Inflammation of lining of the airways Chronic bronchitis 44 of 57 Loss of elasticity in alveoli Emphysema 45 of 57 Has a higher affinity to haemoglobin Carbon monoxide 46 of 57 Organisms that can breed to produce fertile offspring are the same _____ Species 47 of 57 Where an organism lives Habitat 48 of 57 Conservation in organisms natural habitat In situ 49 of 57 Organisation that monitors trade to protect endangered species CITES 50 of 57 Process of sorting living things into groups Classification 51 of 57 Uses a series of questions with two answers to identify a specimen Dichotomous key 52 of 57 Single celled, no nucleus Prokaryote 53 of 57 Eukaryotic, multi cellular, heterotrophic Animalia 54 of 57 Eukaryotic, mostly single celled, Autotrophic or heterotrophic, example- algae Protoctista 55 of 57 Variation passed on from family members Genetic variation 56 of 57 Formation of a new species Speciation 57 of 57
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