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Previous Volume 331:884 September 29, 1994 Number 13 Next

	Since this article has no abstract, we have provided an extract of the first 100 words of the full text and any section headings.

	Full Text Add to Personal Archive Add to Citation Manager Notify a Friend E-mail When Cited Related Article by Rosenthal, N. Related Article by Rosenthal, N.

To the Editor: The structure of DNA has always fascinated me. I remember when my high-school teacher tried to explain the polarity of the strands, using the analogy of a two-way street -- the sugar-phosphate backbones being the lanes, one going from 3' to 5' and the other going from 5' to 3', and the base pairs being the median.

Imagine my enthusiasm when I discovered my "highway" in the first figure of the first article of a series on molecular biology for clinicians by Rosenthal (July 7 issue)¹. The base pairs were even colored yellow. However, when I . . . [Full Text of this Article]

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