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 - Conceptual Problems - Page 1033: 91

Answer

A three-base codon codes for a single amino acid. Therefore, if there were three bases, there could only be six different three-base codon arrangements. As a result, you could only code for six different amino acids and you would be unable to get the 20 different amino acids that are needed.

Work Step by Step

A three-base codon codes for a single amino acid. Therefore, if there were three bases, there could only be six different three-base codon arrangements. As a result, you could only code for six different amino acids and you would be unable to get the 20 different amino acids that are needed.
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