Answer
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Work Step by Step
The basic unit of heredity is known as a gene. A gene which is composed of DNA, act as instructions to make molecules called proteins.
Biology 12th Edition
by Mader, Sylvia; Windelspecht, Michael
Published by
McGraw-Hill Education
ISBN 10:
0078024269
ISBN 13:
978-0-07802-426-9
Chapter 4 - Cell Structure and Function - Assess - Page 81: 10
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