Ifan individual was immunized tirst with Pathogen X, and then later with Pathogen X and Y, which of the following graphs would best represent the expected levels of pathogen-specific antibody produced by the individual? Anti-X Antibodies. Anti-Y Antibodies A В Time Time Time 1* Infection 1* Infection with Pathogen X 2nd Infection with Pathogen X 1* Infection with Pathogen X 2nd Infection with Pathogen X 2nd Infection with Pathogen X with Pathogen X 1st Infection with Pathogen Y 1* Infection 1* Infection with with Pathogen Y Pathogen Y Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a Graph A ь Graph B Graph C Pathogen-specific Antibody Levels

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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It an individual was immunized tirst with Pathogen X, and then later with
Pathogen X and Y, which of the following graphs would best represent the
expected levels of pathogen-specific antibody produced by the individual?
Anti-X Antibodies
Anti-Y Antibodies
А
B
Time
Time
Time
1st Infection
with
2nd Infection
with
2nd Infection
2nd Infection
with
Pathogen X
1st Infection
1st Infection
with
with
with
Pathogen X
Pathogen X
Pathogen X
Pathogen X
Pathogen X
1st Infection
with
1st Infection
with
1st Infection
with
Pathogen Y
Pathogen Y
Pathogen Y
Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer.
a
Graph A
Graph B
Graph C
Pathogen-specific
Antibody Levels
Transcribed Image Text:It an individual was immunized tirst with Pathogen X, and then later with Pathogen X and Y, which of the following graphs would best represent the expected levels of pathogen-specific antibody produced by the individual? Anti-X Antibodies Anti-Y Antibodies А B Time Time Time 1st Infection with 2nd Infection with 2nd Infection 2nd Infection with Pathogen X 1st Infection 1st Infection with with with Pathogen X Pathogen X Pathogen X Pathogen X Pathogen X 1st Infection with 1st Infection with 1st Infection with Pathogen Y Pathogen Y Pathogen Y Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a Graph A Graph B Graph C Pathogen-specific Antibody Levels
Question 4.7
Homework • Unanswered
(Select one best answer) Clonal selection involves the idea that:
Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer.
Only certain lymphocytes can be grown in cell cultures in the laboratory
a
b
Antigens are able to shape lymphocyte antigen receptors so they have a complementary fit
Only a lymphocyte clone with a complementary antigen receptor will be activated by a particular antigen
d
A lymphocyte clone is selected to divide prior to encounter with antigen
Transcribed Image Text:Question 4.7 Homework • Unanswered (Select one best answer) Clonal selection involves the idea that: Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. Only certain lymphocytes can be grown in cell cultures in the laboratory a b Antigens are able to shape lymphocyte antigen receptors so they have a complementary fit Only a lymphocyte clone with a complementary antigen receptor will be activated by a particular antigen d A lymphocyte clone is selected to divide prior to encounter with antigen
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