AQA Biology enzmes 4.5 / 5 based on 2 ratings ? BiologyEnzymesA2/A-levelAQA Created by: NadineCreated on: 22-05-14 12:19 ATPase An enzyme that catalyses the conversion of ADP into ATP and the reverse action. 1 of 18 ATP synthase An enzyme that catalyses the formation of ATP from ADP and a Pi 2 of 18 Cellulase An enzyme that catalyses the hydrolic digestion of cellulose to glucose 3 of 18 Coenzyme A non-protein, organic substance that is essential for the normal functioning of an enzyme 4 of 18 Helicases Enzymes that unwind the double helix of DNA during replication 5 of 18 Amylase An enzyme that catalyses the breakdown of starch and glycogen to the sugars maltose, dextrin, or glucose 6 of 18 Adenyl Cyclase A membrane- associated enzyme that is involved in the production of Cyclic AMP from AMP 7 of 18 Acetylcholinesterase An enzyme that breaks down the neurotransmitter acetylcholine 8 of 18 DNA ligase An enzyme that catalyses the joining together of DNA fragments 9 of 18 DNA Polymerase An enzyme that catalyses the synthesis of new DNA by the addition of nucleotides to an existing chain using DNA or RNA as a template 10 of 18 RNA Polymerase An enzyme that catalyses the transcription of DNA into mRNA 11 of 18 Restriction endonucleases An enzyme that recognises specific nucleotide base sequences in DNA and cuts up teh DNA at where these recognition sequences occur 12 of 18 Reverse transcriptase An enzyme that uses RNA as template to build DNA 13 of 18 Proteases An enzyme that catalyses the hydrolysis of proteins 14 of 18 Phosphorylase An enzyme that helps the breakdown of glycogen to glucose by catalysing the conversion of glycogen to a phosphate of glucose 15 of 18 Maltase An enzyme that hydrolyses the breakdown of maltose to glucose 16 of 18 Lysozomes Enzymes occuring in tears that have an antibacterial action 17 of 18 Lactase An enzyme that catalyses the breakdown of lactose to glucose and galactose 18 of 18
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