Study Guide for Campbell Biology
Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 43, Problem 7IQ

a.

Summary Introduction

To explain: The action of substances released by activated helper T cells.

Introduction: Lymphocytes are important immune cells found in the lymph. It is one of the leukocytes and has three types of cells namely B cells, T cells, and natural killer cells. The T cells and B cells are part of the adaptive immune system. T cells are of two types, T helper cells and cytotoxic T cells.

b.

Summary Introduction

To explain: The action of substances released by the cytotoxic T cell attached to an infected body cell.

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How do helper and cytotoxic T cells recognize and respond to antigens?
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