AS Biology Revision 5.0 / 5 based on 1 rating ? BiologyAll Topics in ASASAQA Created by: charlotte25Created on: 01-03-16 13:32 one of a number of alternative forms of a gene allele 1 of 18 a protein produced by lymphocytes in response to the presence of the appropriate antigen antibody 2 of 18 a molecule that triggers an immune response by lymphocytes antigen 3 of 18 nucleotide found in all living organisms, produced during respiration ATP 4 of 18 a type of white blood cell that produces antibodies B Lymphocyte 5 of 18 process of separating particles of different sizes and densities by spinning them at a high speed in centrifuge centrifugation 6 of 18 a sequence of three adjacent nucleotides in mRNA that codes for one amino acid codon 7 of 18 the process whereby a chromatid breaks during meiosis and rejoins to the chromatid of its homologous chromosome so that their alleles are exchanged crossing over 8 of 18 the breaking down of large molecules into smaller ones by the addition of water molecules hydrolysis 9 of 18 type of nuclear division in which the number of chromosomes is halved meiosis 10 of 18 the type of nuclear division in which the daughter cells have the same number of chromosomes as the parent cell mitosis 11 of 18 an antibody produced by a single clone of cells monoclonal antibody 12 of 18 the passage of water from a region of high water potential to a region where its water potential is lower, through a selectively permeable membrane osmosis 13 of 18 any microorganism that causes disease pathogen 14 of 18 a chemical bond formed between two amino acids peptide bond 15 of 18 mechanism by which cells engulf particles to form a vesicle or a vacuole phagocytosis 16 of 18 the shrinkage of cytoplasm away from the cell wall that occurs as a plant cell loses water by osmosis plasmolysis 17 of 18 the introduction of a vaccine containing appropriate disease antigens into the body in order to induce artificial immunity vaccination 18 of 18
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