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Transcript
MOLECULES Letter Word Question I Inhibition End product – slows the rate of reaction. A Amino acid The basic monomer of proteins. W Water What is formed in a condensation reaction? G Glycosidic The bond in a disaccharide. B Basic The amino group is this. K Kinetic Movement energy. Z Zero The number N atoms in a molecule of glucose. B Benedicts The reagent used to test for reducing sugars. G Glucose A hexose sugar. L Lactose A disaccharide found in milk. S Starch Storage compound in plants. R R-group The simplest form of this is H in the amino acid glycine. J Joules The unit of energy. S Steroid A lipid derived molecule E Emulsion V V-max P Phosphate One of the ‘upright’ molecules of DNA. D Deoxyrilose Sugar in DNA. T Thymine Base that pairs with Uracil M Molecule A lipid is a large one of these. 148089953 What E is formed when there is a positive result for a fat test? Rate of reaction levels off when all the active sites are occupied 1 HOMEOSTASIS Letter Word Question Which I is a hormone for causing conversion of glucose into glycogen? Which A is a hormone which reduces the volume of urine produced? Which W is a vital component of blood regulated by the kidneys? Which G is a carbohydrate storage compound in mammals? I Insulin A ADH W Water G Glycogen B Blood K Kidneys N Negative feedback B Bowmans G Glucagon L Liver Which L is an organ responsible for detoxification? S Sweat Which S is a fluid which cools you down? R Reabsorption What R is the process by which molecules such as glucose are removed from kidney tubules? Which B transports hormones to target cells? Which K are homeostatic organs for controlling water levels? Which N is the regulation mechanism for hormonal control systems. Which B is the capsule in the kidney where ultrafiltration occurs? Which G is a hormone for increasing blood sugar levels? J Which S can be administered to a diabetic that is hypoglycaemic. What E involves the removal of waste products of metabolism? S Sugar E Excretion V Vasoconstriction Which V occurs in blood vessels when we are cold? P Progesterone Which P is a hormone which maintains pregnancy? D Diabetes Which D is a disorder with high blood glucose levels? T Temperature Which T must be kept at 37◦ C? M Menstrual What M is the sexual cycle in humans 148089953 2 GENETICS Letter Word Question I Inheritance Process of passing information from one generation to the next. A Alleles An alternative form of a gene. C Chi Squared A statistical test to analyse frequency data. G Gametes Sex cells. H Heterozygote Two different alleles in a genotype. K Karyotype Picture of the chromosomes that make up of an individual. Z Zygote Result of the fusion of gametes. H Homozygous Two of the same alleles in a genotype. G Genotype The genetic make up of a characteristic. L Locus The position of an allele on a chromosome. S Sex Linkage For example Red Green colour blindness or haemophilia. R Recessive Needs to be homozygous to be expressed. C Chromosome 23 pairs in humans S Selection Causes allele frequencies to change in populations. E Evolution The theory that states species can change into different species V Variation The idea that all individuals of a species are different P Phenotype The physical appearance of a particular characteristic. D Dominant If only one allele is present this characteristic will show. T Test cross M Mono-hybrid 148089953 The genetic cross used to determine the genotype of an organism of unknown genotype The simplest genetic cross to study – involving just one characteristic. 3 GENETICS Letter Word Question I Inherit A Allele Variation of a gene. W Wrinkled Characteristic of Mendel’s peas. G Genotype B Brown K Karyotype Z Zygote First cell with a diploid number of chromosomes. B Blood group Example of a co-dominant characteristic. G Gene Length of DNA. L Linkage S Somatic R Recessive Dominant eye colour. J S Sex-linkage E Epistasis V Variation P Phenotype D Dihybrid T Tall M Monohybrid 148089953 Dominant to dwarf in Mendel’s peas. 4 CYCLES Letter Word I Independent Assortment A Amino Acids W Weinberg G Genes Question B K N Nitrifying Nitrates Nz fixing B G Gametes L Lightning Lamarck S Speciatian R Rhizobium Respiration J S E V P D Saphrophytes Segregation Evolution Eutraphication Variation Protein Photosynthesis Denitirfying Decomposers T Transpiration M Mutualism Neiosis 148089953 5 Letter Word Question I Inclusion A Artefact In electron microscopy this is something that is seen but not really there. W Water Makes up 80% of cell. G Golgi Packages chemicals before export. K Krebs Cycle Occurs in mitochandria. Z Zygote Fertilised egg. G Glycolysis Only stage in respiration that does not take place in mitochandria. L Lysosomes Membrane band sacs of enzymes. S SER Involved in secretion and production of lipids. R Ribosomes Site of protein synthesis. B B J S E Secretary Vessicle which merges with plasma membrane to vesicle secrete. Endoplasmic Transport of substances. reticulum V Vesicle P Plasma membrane Controls what enters and leaves the cell. D DNA Genetic material. T Thylokoid Internal membrane of chloroplast. M Mitochondria Aerobic respiration occurs here. 148089953 6 REPRODUCTION Letter Word Question I Implantation A Asexual Type of reproduction caused by mitosis. W Wind One method of pollination or seed dispersal. G Gamete Sex cell. B Birth 40 weeks after conception. Z Zygote Fertilised egg cell. B Bivalent G *** L Luteinising LH S Sperm R Reproduction K Male gamete. J S E Egg Female gamete. V Variation Differences in characteristics. P Pollen Male gamete D Diversity T Testosterone M Meiosis 148089953 Reduction division. 7 L I Lock & Key Induced fit Letter E Word Enzyme A Active site C T B P A A P C S R H N E V P D T K 148089953 Question Protein molecule that have catalytis properties The region of an enzymes tertiary structure that the substrate fits into Complementary The matching between substrate and active site shape Temperature A factor that affects the rate of enzyme reactions Bonds Disulphide are type of these pH Allosteric Activation energy Product Competition & inhibition Substrate Rate of reaction Heavy metal ions Noncompetitive Enzyme – substrate complex V-max Name the type of molecule from which all enzymes are Protein made. Denature Tertiary structure Kinetic energy 8 Letter I Word Question Implantation A W Graafian follicle Name of mature follicle which embeds in ovary wall. Z Zygote Diploid cell produced after fertilization. B Blastocyst Hollow ball of cells which implants into the endometrium. G Gamete Cells produced as result of meiosis. L Luteinising Hormone Hormone which causes ovulation. S Steroid What type of hormones are oestrogen, progesterone & testosterone? S Selective breeding Used to create new strains of a species. E Ejaculation Release of sperm. V Variation meiosis gives rise to this. P Progesterone Hormone which maintains pregnancy. D Diploid Word used to describe 2 sets of chromosomes in a cell. T Testosterone Produced by leydig cells in testes. M Menstruation Breakdown of huckeuel eudometrium is known as. G B K R J 148089953 9 BIOLOGICAL MOLECULES Letter Word Question I Iodine solution What I is used to test for starch? A Amino acid What A is the building block of a protein? W Water What W is the substance removed in a condensation reaction? G Glycosidic What G is the type of band joining 2 monosaccharides? B Biuret What B is the test for protein? B Benedict’s What B is the solution used to test for sugars? G Glucose What G is the monomes in starch? L Lipids What L protects organs and insulates? S Starch What S is the form in which carbohydrates are stored in plants? R Ribose What R is the name of the sugar in RNA? K Z J S Secondary E Emulsion V Violet P Protein D Disaccharide T Triglyceride M Monomer 148089953 Which S is the level on protein structure in a β pleated sheet? What E is formed when there is a positive result for a fat test? What colour indicates the presence of protein in a food test? What P are enzymes made of? What D is the general term for carbohydrates such as maltose, sucrose and lactose? What T is formed when fatty acids combine with a glycerol molecule? What M is the simple units which make up a polymer? 10 TRANSPORT AC Letter I A W G Word Ingest Active transport Water potential Question What do white blood cells do to bacteria? Which process requires ATP? What does PSI mean? Gradient Necessary for diffusion from high conc to low conc. Zygote Formed by fusion of 2 gamete nuclei. G Golgi apparatus Packages mucus. L Lipids These form a bi layer. S Selectively permeable This process allows solute molecules through but not solvent. R Respiration Necessary for active transport. J Join Surface membranes do this with endocytosis. S Solute The addition of this reduces Ψ (makes it more negative) E Exocytosis The process by which large particles pass out of cell. V Vesicles Formed by endocytosis. P Plasma membrane Which membrane in a cell has cell recognition sites? D Diffusion A process that is passive. T Temperature What process increases collusion between particles? M Movement B K Z B 148089953 11 Letter Word Question I Inherit A Allele Form of a gene. W Wrinkled Recessive form of pea shape. G Genotype Genetic make up of an organism. B Brown Dominant eye colour. K *** Z Zygote B Blood group G Gene L Linkage S Somatic R Recessive J S Sex-linkage E Epistasis V *** P Phenotype D *** T Tall M *** 148089953 12 HEALTH AND DISEASE Letter Word Question I Immunoglobulin What I is a protein involved in the immune response? A Antigen W Water G Gene What G is the cause for cystic fibrosis? B Baccilus Name for some rod shaped bacterium. HIV What H develops into AIDS? Small pox What S was eradicated in 1979? S Smoking What S causes erectile dysfunction and damages the foetus? E Emphysema What E is a type of lung disease? V Virus Disease causing organism. P Pathogen Name for an organism that causes disease. Glycoproteins on cell surface membrane recognised by antibodies. What W is the mode of transmission for vibrio chloerae? K H B G L S R J D T M 148089953 13