A2 Edexcel Biology Quiz - Topic 6 3.5 / 5 based on 7 ratings ? BiologyA2/A-levelEdexcel Created by: Ryan MartinCreated on: 30-10-12 20:56 What is an intron? A non-coding region of DNA 1 of 12 What is the optimum temperature for DNA polymerase during PCR? 70'C 2 of 12 What is used to visualise separate fragments of DNA during 'southern blotting'? DNA probe 3 of 12 A sigmoid curve goes from body temperature (37'C) to what temperature? Ambient 4 of 12 During human decomposition, what is the greenish discoloration of the skin called? Putrefaction 5 of 12 What type of infection is 'tuberculosis'? Droplet 6 of 12 Name one area of the 'specific immune response'. T-cells 7 of 12 What does 'Interferon' do? Stops protein synthesis occurring in viruses 8 of 12 During B-cell activation, what do B-cells differentiate into to secrete antibodies? Plasma 9 of 12 Where are B cells and T cells formed? Bone Marrow 10 of 12 Where are B cells matured? Bone Marrow 11 of 12 What type of bonds hold together the polypeptide chains on the antibody structure? Disulphide 12 of 12
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