The uncoiling of deoxyribonucleic acid (DNA) is a first-order reaction. Its activation energy is 420 kJ. At 37°C, the rate constant is 4.90 × 10–4 min–1.
(a) What is the half-life of the uncoiling at 37°C (normal body temperature)?
(b) What is the half-life of the uncoiling if the organism has a temperature of 40°C (<104°F)?
(c) By what factor does the rate of uncoiling increase (per °C) over this temperature interval?
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