You had two blood samples and needed to distinguish between TD and TI B cell responses. You performed a blood test and found that sample 1 was infected with TD antigen and sample 2 with TI antigen. The results of the analysis showed that sample 1 [Select] and sample 2 [Select] have (select correct) Dropdown options for selection:- High levels of IgG in plasma- Affinity of antibodies to antigen increased over time- Low levels of membrane-bound IgD on B cells

Answered: You had two blood samples and needed to…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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You had two blood samples and needed to distinguish between TD and TI B cell responses. You performed a blood test and found that sample 1 was infected with TD antigen and sample 2 with TI antigen. The results of the analysis showed that sample 1 [Select] and sample 2 [Select] have (select correct)

Dropdown options for selection:

- High levels of IgG in plasma
- Affinity of antibodies to antigen increased over time
- Low levels of membrane-bound IgD on B cells

Expert Solution

Step 1

Binding of foreign antigen with receptors on B cells after being recognized by antigen presenting cells (APC) and MHC molecules leads to generation of immune response which is responsible for fighting or warding off the pathogen.

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