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  • Under what conditions is the A-form helix of DNA formed?Option: 1 High salt and high temperature<div class='qna-opt

Under what conditions is the A-form helix of DNA formed?

Option: 1

High salt and high temperature


Option: 2

Low humidity and high ionic strength


Option: 3

75% relative humidity and in the presence of certain ions


Option: 4

None of the above


Answers (1)

best_answer

The A-form helix of DNA is formed under 75% relative humidity and in the presence of certain ions such as sodium, potassium, and cesium. Hence option 3 is the correct answer.

Posted by

Ritika Kankaria

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