Self Quiz for The Adaptive Immune System: Antibodies - Antibody Structure

Study the material in this section and then write out the answers to these questions.
Do not just click on the answers and write them out. This will not test your understanding of this tutorial.

1. Describe an antibody molecule. (ans)

2. Match the following:

_____ The region of the antibody that provide specificity for binding an epitope on an antigen. (ans)

_____ The region of the antibody that is responsible for the biological activity of the antibody. (ans)

_____ Composed of four glycoprotein chains. There are two identical heavy chains having a high molecular weight and two identical light chains. (ans)

_____ A pentamer, consisting of 5 "Y"-like molecules connected at their Fc portions by a "J" or joining chain. (ans)

_____ A dimer consisting of 2 "Y"-like molecules connected at their Fc portions by a "J" chain and stabilized to resist enzymatic digestion. (ans)

a. IgM
b. secretory IgA
c. IgG
d. Fab
e. Fc

3. Multiple Choice (ans)

• RETURN TO "THE ADAPTIVE IMMUNE SYSTEM: ANTIBODIES - ANTIBODY STRUCTURE"

• RETURN TO UNIT 6 TABLE OF CONTENTS

Gary E. Kaiser, Ph.D.
Professor of Microbiology
The Community College of Baltimore County, Catonsville Campus
This work is licensed under a Creative Commons Attribution 4.0 International License.
Based on a work The Grapes of Staph at https://cwoer.ccbcmd.edu/science/microbiology/index_gos.html.