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Structure of Chromosomal DNA

The deoxyribonucleotides in the DNA polymer are connected by phosphodi-ester bonds between the 5 -phosphate group attached to one deoxyribose sugar and the 3 -hydroxyl group of the next sugar. [Pg.152]

This sugar-phosphate backbone is located on the outside of the structure. [Pg.152]

The two strands run in reverse polarity or antiparallel to each other. [Pg.152]

The strands are held together by hydrogen bonding between the bases, with a purine always bonded with a pyrimidine in specific base pairs. [Pg.152]

The entire structure is twisted along the main axis in the form of a right-handed double helix. [Pg.152]

See other pages where Structure of Chromosomal DNA is mentioned: [Pg.56]    [Pg.43]    [Pg.152]   


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