Biology keywords 0.0 / 5 ? BiologyBiological moleculesASOCR Created by: Benjamin PalmerCreated on: 22-03-14 11:38 Metabolism Chemical reactions that take place in an organism 1 of 35 Activation Energy Level of energy required for a reaction to take place 2 of 35 Adenine Nitrogen-containing organic base in nucleic acids 3 of 35 Adhesion Attraction between molecules of 2 different substances 4 of 35 Amino Acid Contains amino group and carboxyl group. Monomers of protein molecules 5 of 35 Amylase Enzyme that catalyses hydrolysis of starch to maltose 6 of 35 Base-pairing rules Complementary base-pairing between bases in nucleic acids 7 of 35 Benedict's test Test for reducing sugars 8 of 35 Biuret test Biochemical test for presence of proteins 9 of 35 Cohesion Attraction between water molecules due to hydrogen bonding 10 of 35 Coenzyme Organic non-protein molecule that binds with substrate to active site temporarily 11 of 35 Cofactor Molecule or ion that helps an enzyme work 12 of 35 Competitive inhibitor Substance that reduces rate of reaction by binding to active site 13 of 35 Deamination Removal of amine group from amino acid 14 of 35 Deoxyribose 5-carbon sugar in DNA nucleotides 15 of 35 DNA Polymer of nucleotide molecules and form instruction for protein synthesis 16 of 35 Double Helix Structure of DNA 17 of 35 End-product inhibition Last product in a sequence of enzyme reactions becomes inhibitor for earlier enzyme 18 of 35 Enzyme-product complex Structure in which product molecules are bound to enzyme molecule 19 of 35 Ethanol emulsion test Biochemical test for presence of lipids 20 of 35 Fibrous protein Long,thin structure, insoluble in water and metabolically inactive and has a structural role 21 of 35 Globular protein Spherical molecules, soluble in water and have active roles 22 of 35 Histone Protein associated with DNA which wound around it to form chromatin 23 of 35 Hormone Chemicals made in endocrine glands carried in blood to target cells 24 of 35 Induced Fit Enzyme molecule changes shape to fit substrate molecule 25 of 35 Keratinocytes Cells that make keratin 26 of 35 Limiting factor If factor is increased then rate of process will increase 27 of 35 Nucleic acid Polymer of nucleotide molecules 28 of 35 Prosthetic group Non-protein organic molecule forming permanent part of protein molecule 29 of 35 Purine Adenine and Guanine 30 of 35 Pyrimidine Thymine, Cytosine and Uracil 31 of 35 Ribose 5-carbon sugar found in RNA nucleotides 32 of 35 Surface tension Skin on water surface due to hydrogen bonds pull surface molecules down 33 of 35 tRNA Type of RNA that transfers amino acids to ribosomes in protein synthesis 34 of 35 Triglyceride Molecule of glycerol molecule and 3 fatty acid molecules 35 of 35
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