enzyme used to form the phosphodiester bonds in DNA strands after DNA replication
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Card 17
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the process in which the double helix of a DNA molecule unwinds and each strand acts as a template on which a new strand is constructed
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Card 18
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a protein or RNA that acts as a catalyst and so alters the speed of a biochemical reaction
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Card 19
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section of DNA on a chromosome coding for one or more polypeptides
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Card 20
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chemical bond formed between the positive charge on a hydrogen atom and the negative charge on another atom of an adjacent molecule, e.g. between the hydrogen atom of one water molecule and the oxygen atom of an adjacent water molecule
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Card 21
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the breaking down of larger molecules into smaller ones by the addition of water molecules
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Card 22
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heat taken in by a liquid in order to transform it into vapour
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Card 23
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one of the many small molecules that combine to form a larger one known as a polymer
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Card 24
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fatty acid that possesses a carbon chain with a single double bond
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Card 25
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complex chemicals made up of an organic base, a sugar and a phosphate. They are the basic units of which the nucleic acids DNA and RNA are made
