Key differences, features, and comparative analysis of Feature and Value / Description.
| Feature | Value / Description |
|---|---|
| Strands | Two, coiled in a right-handed helix |
| Orientation | Antiparallel (one 5′→3′, the other 3′→5′) |
| Base pairing | A=T (2 H-bonds), G≡C (3 H-bonds) — complementary |
| Pitch (one turn) | 3.4 nm containing ~10 base pairs |
| Rise per base pair | 0.34 nm (3.4 Å) |
| Diameter | Uniform 2 nm (purine always pairs a pyrimidine) |
This comparison table is part of the chapter notes for Molecular Basis of Inheritance. Get complete notes, flashcards, active recall sheets, and test prep modes:
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