申論題

24. One proposed mechanism for the formation of a double helix (S₁+ S₂ → S₁:S₂) in DNA is given by

  where S₁ and S₂ represent strand 1 and 2, and (S₁:S₂)* represents an unstable helix.

(1) Write the rate law of each reaction (that is, r₁, , and r₂, 3 points)