A compact, highly organized structure
The DNA double-helix
Major and minor grooves
Nucleotides
Nucleotide components
Sugar-phosphate Backbone
Phosphodiester bonds
Water is excluded from the double-helix
5' and 3' ends of DNA chains
Sequence is read 5' to 3'
Complementary sequences and base pairing
Base pairing: guanine and cytosine
Base pairing: thymine and adenine
Base stacking
A-DNA
Z-DNA
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Read the sequence of the bases in A-DNA
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