KVPY SX SB Exam 2013 Question Paper

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Question : 112 of 120

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Watson and Crick model of DNA is a

B-form DNA with a spiral length of 34 Å and a diameter of 20 Å
A-form DNA with a spiral length of 15 Å and a diameter of 20 Å
Z-form DNA with a spiral length of 34 Å and adiameter of 20 Å
B-form DNA with a spiral length of 28 Å and a diameter of 14 Å

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