unit 4 - b cells and t cells

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8 Terms

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what are the 2 types of lymphocytes?

b lymphocytes (b cells) and t lymphocytes (t cells)

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What are B cells responsible for?

making antibodies

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What triggers B-cell activation?

A foreign antigen brought to the B cell by an antigen-presenting cell (APC)

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What happens when a B cell is activated?

It clones itself, creating effector cells that make antibodies

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What are memory cells?

Cells that act quickly to generate an immune response during subsequent exposure

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How do B cells respond to exposure to a new flu strain?

APC identifies viruses and takes antigen to a B cell and makes antibodies

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What are immunoglobulins?

Proteins that the body makes in response to foreign antigens

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What shapes can antibodies have?

Y or T-shaped