PCB 3233 EXAM 2 Questions And Answers With 100% Correct Answers
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Course
PCB 3233
Institution
PCB 3233
How many antigen binding sites does a T cell receptor have and how many binding sites does B cell
have? - One; Two
During somatic recombination of both B/T cell variable regions, 12/23 rules is observed. - TRUE
Binds to FC receptors on mast cells and is involved in allergic reaction - IgE
Antib...
PCB 3233 EXAM 2
How many antigen binding sites does a T cell receptor have and how many binding sites does B cell
have? - One; Two
During somatic recombination of both B/T cell variable regions, 12/23 rules is observed. - TRUE
Binds to FC receptors on mast cells and is involved in allergic reaction - IgE
Antibodies can: - * Act as opsonins
* Neutralize a toxin or virus
How many subclasses of IgG are there? - 4
Switch sequence or with regions are found at the beginning of each constant region gene. - IgD
Which cells can present antigen using MHC class II? - * Dendritic cells
* Macrophages
* Neutrophils
Which cells are considered leukocytes? - * T/B Cells
* B cells and Basophils
* NK Cells B Cells
The first time you see a pathogen is the most risky because: - it takes one to two weeks to get an
adaptive response working well
The Ig's variable regions of the heavy and light chain contain - * Complimentary determining
regions
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