The DNA double helix is stabilized by ... a) H-bonds between the sugar-phosphate backbones. b) ionic interactions between the sugar-phosphate backbones. c) H-bonds between complementary bases. d) a and c e) a, b and c

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Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Question

The DNA double helix is stabilized by ...

a)	H-bonds between the sugar-phosphate backbones.

b)	ionic interactions between the sugar-phosphate backbones.

c)	H-bonds between complementary bases.

a and c

e)	a, b and c

Expert Solution

Step 1

Answer.

Watson and Crick first describe the structure of DNA double helix in 1953 e using x-ray diffraction data of DNA fibres obtained by R.Franklin and M. Wilkins. Watson, Crick, and Wilkins were awarded the 1962 Nobel prize for medicine for discovering the molecular structure of DNA.

The Watson Crick double helix model describe the features of B form of DNA.