Microbiology: An Introduction, 11th Edition

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

Chapter 18 - Practical Applications of Immunology - Study Questions - Review - Page 525: 8a

Answer

5

Work Step by Step

Precipitation occurs with a free soluble antigen. It occurs best when an antigen or antibody is present in optimal proportions.
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