Question

Which DNA molecule among the following will melt at lowest temperature?
(1) 5'–A–A–T–G–C–T–G–C–3' 3' –T–T–A–C–G–A–C–G–5'
(2) 5'–A–A–T–A–A–A–G–C–3' 3' –T–T–A–T–T–T–C–G–5'
(3) 5'–G–C–A–T–A–G–C–T–3' –C–G–T–A–T–C–G–A–5'
(4) 5'–A–T–G–C–T–G–A–T–3' 3' – –A–C–G–A–C–T–A–5'

Answer 1

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