| Term 
 | Definition 
 
        | 2 strands of nucleotides twisted into a double helix |  | 
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        | Term 
 | Definition 
 
        | deoxyribose sugar, phosphate and a base (A,T,C or G) |  | 
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        | Term 
 
        | Deoxyribose has a base attached to |  | Definition 
 
        | its carbon 1, and a phosphate attached to its carbon 5 |  | 
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        | Term 
 
        | The DNA sugar-phosphate backbone is held together by |  | Definition 
 | 
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        | Term 
 
        | The 2 DNA strands are antiparallel |  | Definition 
 
        | with deoxyribose sugar and phosphate at 3’ and 5’ ends of each strand |  | 
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        | Term 
 | Definition 
 | 
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        | Term 
 | Definition 
 | 
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        | Term 
 | Definition 
 
        | tightly coiled DNA packaged around bundles of protein (Histones) |  | 
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        | Term 
 
        | Replication of the DNA template strand |  | Definition 
 
        | with the 3’ end is continuous and forms the “leading strand” |  | 
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        | Term 
 | Definition 
 
        | can only grow by adding nucleotides to its 3’ end |  | 
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        | Term 
 
        | DNA polymerase brings about |  | Definition 
 
        | the formation of the sugar-phosphate bonds |  | 
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        | Term 
 | Definition 
 
        | fragments of DNA together to form the lagging strand |  | 
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        | Term 
 
        | Requirements for DNA Replication are: |  | Definition 
 
        | DNA, Primers,Enzymes, DNA nucleotides and ATP |  | 
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        | Term 
 | Definition 
 
        | Deoxyribose at the 3’ end and phosphate at the 5’ end of each strand |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a short sequence of nucleotides |  | 
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        | Term 
 
        | Replication of the lagging strand |  | Definition 
 
        | is discontinuous as this strand starts with the 5’ end |  | 
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        | Term 
 
        | In the first stages of DNA replication |  | Definition 
 
        | the DNA double helix unwinds and the weak hydrogen bonds between bases break |  | 
        |  | 
        
        | Term 
 
        | Primers are required to create |  | Definition 
 
        | an existing chain for DNA polymerase to work on |  | 
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        | Term 
 | Definition 
 
        | the DNA must be replicated |  | 
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