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Which of the following statements regarding a double - helical molecule of DNA is true ?A. Each strand is identicalB. Each strand replicates itselfC. Bases are perpendicular to the axisD. All hydroxyl groups of pentose are involved in linkages. |
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Answer» Correct Answer - C In the double helical model of DNA proposed by Watson and Crick, the nitrogenous bases attached to the pentose sugar backbone are perpendicular to the axis and parallel to each other. |
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