A molecule of dna deoxyribonucleic acid is 235 microm long, Ask an Expert

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A molecule of DNA (deoxyribonucleic acid) is 2.35 µm long. The ends of the molecule become singly ionized: negative on one end, positive on the other. The helical molecule acts like a spring and compresses 0.89% upon becoming charged. Determine the effective spring constant of the molecule in N/m?

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