Campbell Biology (10th Edition)

Published by Pearson
ISBN 10: 0321775651
ISBN 13: 978-0-32177-565-8

Chapter 43 - 43.2 - Concept Check: 2

Answer

Memory cells are advantageous because they allow the immune system to more quickly to 1) recognize the reinfection and 2) begin fighting it.

Work Step by Step

When a novel pathogen is introduced, the immune system must undergo a series of steps to identify the infection and to combat it. This process takes significantly longer than the response to a pathogen that has been seen before.
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