Human Anatomy & Physiology (9th Edition)

Published by Pearson
ISBN 10: 0321743261
ISBN 13: 978-0-32174-326-8

Chapter 3 - Cells: The Living Units - Review Questions - Page 114: 11

Answer

(b) gene

Work Step by Step

A gene is defined as a DNA segment that provides the instructions to synthesize one polypeptide chain, which in turn can fold to form proteins. Nucleotides are the four types of DNA or RNA. A triplet is the sequence of DNA that codes for one amino acid rather than a full polypeptide chain. A codon is the corresponding three-base sequence in mRNA.
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