Concepts of Biology
1st Edition
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:Samantha Fowler, Rebecca Roush, James Wise
Chapter17: The Immune System And Disease
Section: Chapter Questions
Problem 20CTQ: How do B and T cells differ with respect to antigens that they bind?
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Question
What are the functions of CD4 and CD8 proteins on the surface of T cells?
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Step 1
T cells are the lymphocytes mainly responsible for the cell-mediated immune response of adaptive immunity.
Step 2
These cells generate an immune response against specific antigens or microbes.
Step 3
To recognize the specific antigens, T lymphocytes must interact with them. T cell surface receptors called TCR help in antigenic recognition. The antigens of the T cells are presented by APCs on their surfaces. Therefore, the T cells should interact with APCs.
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