Chemistry: A Molecular Approach (3rd Edition)

Published by Prentice Hall
ISBN 10: 0321809246
ISBN 13: 978-0-32180-924-7

Chapter 21 - Sections 21.1-21.7 - Exercises - Review Questions: 25

Answer

A nucleic acid is a polymer of nucleotides. Each nucleotide consists of a pentose sugar (5 carbon sugar), a phosphate group and a nitrogenous base.

Work Step by Step

There are two types of nucleic acids: 1. DNA: the nucleotide of this consists of deoxyribose sugar (a pentose sugar), a phosphate group and nitrogenous base. There are 4 types of bases found in DNA: Adenine, Thymine, Cytosine and Guanine. 2. RNA: a nucleotide of RNA consists of ribose sugar (a pentose sugar), a phosphate group and a nitrogenous base. The bases are of 4 types: Adenine, Uracil, Cytosine and Guanine.
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