Nucleic acids: DNA and RNA
Nucleotide structure
Types of nitrogenous bases
Phosphodiester bonds: building the backbone
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DNA double helix structure
Complementary base pairing (Chargaff's rules)
Antiparallel orientation
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DNA vs. RNA: structural and functional comparison
Why DNA is more stable than RNA
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Types of RNA
The central dogma of molecular biology
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ATP: a special nucleotide
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