Given figure represents the DNA double helix model as proposed by Watson and Crick (1953). Select th

Question

Given figure represents the DNA double helix model as proposed by Watson and Crick (1953). Select the option that shows correct measurements of $A$ and $B$.\

Professor PC Thomas Classes · Answer

(a) : The DNA helix makes one complete spiral turn every 3.4 nm and has a diameter of 2 nm . The distance between adjacent stacks is 0.34 nm .