Chemistry: The Molecular Nature of Matter and Change 7th Edition

Published by McGraw-Hill Education
ISBN 10: 007351117X
ISBN 13: 978-0-07351-117-7

Chapter 15 - Problems: 15.91


See explanation below.

Work Step by Step

1 The hydrogen bonding of complementary nitrogen bases, one purine and one pyrimidine is called base pairing. Base-pairing occurs between the complementary strands of a DNA molecule or a DNA/RNA hybrid, and in the complementary pairing of codons and anticodons during the process of translation. 2 DNA consists of two polynucleotide chains wound around each other to form a double helix. The two chains are held together by complementary base pairing; that is, specific bonding between A and T bases and between G and C bases on the two strands.
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