BIOL 3120 Lecture Notes - Lecture 10: Immunoglobulin Light Chain, Hydrophile, Antigen
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Question 1
The antigen specificity of a BCR...
A. | depends on the isotype of that BCR. |
B. | is the same as the antigen specificity of the secreted form of antibody produced by that cell. |
C. | is different for each of the BCRs on a cell. |
D. | is different for each of the Fab regions of the BCR. |
Question 2
All BCRs on the surface of a B cell in a lymph node...
A. | will have the same type of light chain (kappa/lambda). |
B. | will have the same type of light chain with the same exact amino acid sequence. |
C. | will each have a different type of light chain. |
D. | will have a lambda light chain on one Fab and a kappa light chain on the other Fab. |
Question 3
The isotype of an antibody is...
A. | determined by the light chain. |
B. | another word for an immunoglobulin Fab region. |
C. | determined by the heavy chain constant region. |
D. | determined by the Fc portion. |
E. | None of the above are correct |
Question 4
Characteristics of lgG are...
A. | a molecular weight of 900,000 and 10 antigen binding sites in the secreted form. |
B. | 165,000 molecular weight in the monomeric form but it is usually secreted as dimer. |
C. | the presence of more heavy chain constant regions than most antibodies but the lowest concentration in blood. |
D. | 150,000 molecular weight and the highest concentrations of all antibodies in blood. |
E. | None of the above describe IgG. |
Question 5
Characteristics of lgM are...
A. | 900,000 molecular weight and the secreted form has 10 antigen binding sites. |
B. | 165,000 molecular weight in the monomeric form but it is usually secreted as dimer. |
C | .the presence of more heavy chain constant regions than most antibodies but the lowest concentration in blood. |
D. | 150,000 molecular weight and the highest concentrations of all antibodies in blood. |
E. | None of the above describe IgM. |