Biology 2010 Student Edition

Published by Prentice Hall
ISBN 10: 9780133669510
ISBN 13: 978-0-13366-951-0

Chapter 12, DNA - Assessment - 13.2 Ribosomes and Protein Synthesis - Understand Key Concepts/Think Critically - Page 386: 10

Answer

c.

Work Step by Step

Option a. is incorrect. A single codon cannot specify for more than one amino acid. Option b. is incorrect. Every codon does not specify a different amino acid. Many times, several codons can specify a single amino acid. Option d. is incorrect. All codons have a function. Either they specify an amino acid or they stand for the start or stop codon. Option c. is correct. Several codons can specify a single amino acid. For example, UUA, UUG, CUU, CUC, CUA, and CUG all code for the amino acid leucine.
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