Texas Southern University - BIOL 347

Chapter 16

The Adaptive Immune Response

Matching Questions

1)Which of the following best matches the description:

1. IgA        agglutinates antigens  
2. IgG        first antibody produced during primary response  
3. IgE        protects mucous membranes   
4. IgM      involved in hypersensitivity  
5. IgD        found on the surface of B cells  

True / False Questions

2. Substances with a molecular weight of less than 10,000 Daltons make good antigens.

3. The immune response is directed against an entire molecule.
4. All antigens are immunogens.

5. Antibody molecules are very rigid in structure.

6. Antibody and antigen are held to one another by covalent bonds.

7. IgA is the most abundant immunoglobulin made by the body.
8. Gene rearrangement is responsible for the generation of the various antibody molecules.

9. T cells are responsible for directly manufacturing antibodies.

10. T cell receptors are identical to antibodies.

11. T cell independent antigens lead to a memory response.

Essay Questions

12. Why is antigen presented in conjunction with MHC I by antigen-presenting cells?