Microbiology: An Introduction, 11th Edition

Published by Benjamin Cummings
ISBN 10: 0321733606
ISBN 13: 978-0-32173-360-3

Chapter 3 - Observing Microorganisms Through a Microscope - Study Questions - Review - Page 73: 9c

Answer

Purple

Work Step by Step

When a cell is gram positive, acetone creates a purple stain. Note, this is not the case when alcohol acetone is applied to gram negative cells.
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