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B Cell Activation and Signal Transduction Quiz

6 Questions

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B Cell Activation and Signal Transduction Quiz

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Questions and Answers

Which proteins are noncovalently associated with the receptors to form the B cell receptor complex?

Syk and ZAP-70

CD3 and ζ

Igα and Igβ (correct)

ITAM and ITIM

Which tyrosine kinases phosphorylate the ITAMs of Igα and Igβ in the B cell receptor complex?

ITAM and ITIM

B cells and T cells

CD3 and ζ

Syk and ZAP-70 (correct)

What is the result of receptor-induced signaling in B cells?

Expression of genes involved in T cell proliferation

Activation of transcription factors (correct)

Phosphorylation of ITAMs

Activation of CD3 proteins

Which process is similar to the activation of B cells?

Activation of T cells Signup and view all the answers

What is required for antigen receptor-mediated signal transduction in B cells?

Cross-linking of two or more membrane Ig molecules Signup and view all the answers

Which antigens are able to bind to numerous Ig receptors on a B cell at the same time?

Polysaccharides, lipids, and other nonprotein antigens Signup and view all the answers