The diagrams below show which base pairs bond to each

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Unformatted text preview: rams below show which base pairs bond to each other. State what kind of bond holds the two strands of DNA together and show these bonds on each diagram. State which other two molecules are bonded to a base to form a nucleotide and describe how individual nucleotides are joined to form a single strand of DNA. [6] Cytosine pairs with guanine H H H N N O H N N H N N H O N N H H Cytosine Guanine Thymine pairs with adenine H H H O H H H H H N N Thymine O N N N N N H Adenine .............................................................................. .............................................................................. .............................................................................. .............................................................................. .............................................................................. .............................................................................. .......................................................
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