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    Exam 12: DNA: The Carrier of Genetic Information
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    The Two Molecules That Alternate to Form the Backbone of a Polynucleotide
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The Two Molecules That Alternate to Form the Backbone of a Polynucleotide

Question 40

Question 40

Multiple Choice

The two molecules that alternate to form the backbone of a polynucleotide chain are


A) adenine and thymine.
B) cytosine and guanine.
C) sugar and phosphate.
D) base and sugar.
E) base and phosphate.

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