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PCB 3233 EXAM 2 Questions And Answers With 100% Correct Answers
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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...

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  • August 12, 2024
  • 4
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • pcb 3233

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  • PCB 3233
  • PCB 3233

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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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