Antigens are any substances that stimulate the immune response to produce antibody to destroy an antigen. Some antigens are free molecules, it may come from food substances or toxins, etc. Sometimes, the host cell itself acts as an antigen in autoimmune disease.

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Chapter 21, Problem 6TYR

Summary Introduction

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Antigens are any substances that stimulate the immune response to produce antibody to destroy an antigen. Some antigens are free molecules, it may come from food substances or toxins, etc. Sometimes, the host cell itself acts as an antigen in autoimmune disease.

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Use the following information to answer the question(s) below. Martin Wikelski and L. Michael Romero (Body size, performance and fitness in Galápagos marine iguanas, Integrative and Comparative Biology 43 [2003]:376-86) measured the snout-to-vent (anus) length of Galápagos marine iguanas and observed the percent survival of different-sized animals, all of the same age. The graph shows the log snout-vent length (SVL, a measure of overall body size) plotted against the percent survival of these different size classes for males and females. Survival (%) 100- 80- 60- 40- 20- 0+ 1.9 T 2 2.1 2.2 2.3 2.4 2.5 2.6 2.7 Log SVL (mm) 19) Examine the figure above. What type of selection for body size appears to be occurring in these marine iguanas? A) directional selection B) stabilizing selection C) disruptive selection D) You cannot determine the type of selection from the above information. 3

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Answer 2

Question

Chapter 21, Problem 6TYR

Summary Introduction

Introduction:

Antigens are any substances that stimulate the immune response to produce antibody to destroy an antigen. Some antigens are free molecules, it may come from food substances or toxins, etc. Sometimes, the host cell itself acts as an antigen in autoimmune disease.

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Answer 3

Question

Chapter 21, Problem 6TYR

Summary Introduction

Introduction:

Antigens are any substances that stimulate the immune response to produce antibody to destroy an antigen. Some antigens are free molecules, it may come from food substances or toxins, etc. Sometimes, the host cell itself acts as an antigen in autoimmune disease.

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Answer 4

Question

Chapter 21, Problem 6TYR

Summary Introduction

Introduction:

Antigens are any substances that stimulate the immune response to produce antibody to destroy an antigen. Some antigens are free molecules, it may come from food substances or toxins, etc. Sometimes, the host cell itself acts as an antigen in autoimmune disease.

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Answer 5

Chapter 21, Problem 6TYR

Summary Introduction

Introduction:

Antigens are any substances that stimulate the immune response to produce antibody to destroy an antigen. Some antigens are free molecules, it may come from food substances or toxins, etc. Sometimes, the host cell itself acts as an antigen in autoimmune disease.

Answer 6

Chapter 21, Problem 6TYR

Summary Introduction

Introduction:

Antigens are any substances that stimulate the immune response to produce antibody to destroy an antigen. Some antigens are free molecules, it may come from food substances or toxins, etc. Sometimes, the host cell itself acts as an antigen in autoimmune disease.

Answer 7

Chapter 21, Problem 6TYR

Summary Introduction

Introduction:

Antigens are any substances that stimulate the immune response to produce antibody to destroy an antigen. Some antigens are free molecules, it may come from food substances or toxins, etc. Sometimes, the host cell itself acts as an antigen in autoimmune disease.

Answer 8

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Answer 11

Ch. 21.1 - Prob. 1BYGO Ch. 21.1 - Prob. 2BYGO Ch. 21.1 - Prob. 3BYGO Ch. 21.1 - Prob. 4BYGO Ch. 21.1 - Prob. 5BYGO Ch. 21.1 - Prob. 1AYLO Ch. 21.1 - Prob. 2AYLO Ch. 21.1 - Prob. 3AYLO Ch. 21.1 - Prob. 4AYLO Ch. 21.1 - Prob. 5AYLO

Antigens are any substances that stimulate the immune response to produce antibody to destroy an antigen. Some antigens are free molecules, it may come from food substances or toxins, etc. Sometimes, the host cell itself acts as an antigen in autoimmune disease.

Solution Summary: The author explains that haptens become antigenic by binding to host macromolecules and create a complex that binds to mast cells and triggers massive release of histamine.

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Introduction:

Antigens are any substances that stimulate the immune response to produce antibody to destroy an antigen. Some antigens are free molecules, it may come from food substances or toxins, etc. Sometimes, the host cell itself acts as an antigen in autoimmune disease.

Want to see the full answer?

Chapter 21 Solutions

Antigens are any substances that stimulate the immune response to produce antibody to destroy an antigen. Some antigens are free molecules, it may come from food substances or toxins, etc. Sometimes, the host cell itself acts as an antigen in autoimmune disease.

Solution Summary: The author explains that haptens become antigenic by binding to host macromolecules and create a complex that binds to mast cells and triggers massive release of histamine.

Videos

Introduction: Antigens are any substances that stimulate the immune response to produce antibody to destroy an antigen. Some antigens are free molecules, it may come from food substances or toxins, etc. Sometimes, the host cell itself acts as an antigen in autoimmune disease.

Want to see the full answer?

Chapter 21 Solutions

Introduction:

Antigens are any substances that stimulate the immune response to produce antibody to destroy an antigen. Some antigens are free molecules, it may come from food substances or toxins, etc. Sometimes, the host cell itself acts as an antigen in autoimmune disease.