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Natural Killer Cells: Function and Action
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Natural Killer Cells: Function and Action

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Questions and Answers

Which type of cells are involved in detecting and eliminating virally infected cells as well as cancer cells?

  • NK cells (correct)
  • T cells
  • Macrophages
  • B cells

    • What is the mode of action in destroying the target cells by NK cells?

  • Inducing apoptosis
  • Releasing antibodies
  • Releasing cytokines
  • Releasing cytotoxic granules (correct)

    • What serves as the identification card of the cell as 'self' that NK cells check on the cell surface?

  • Major Histocompatibility Complex-II (MHC-II)
  • Granzyme
  • Major Histocompatibility Complex-I (MHC-I) (correct)
  • Perforin protein

    • What happens to NK cells when the target cell has intact MHC-I on its surface?

    <p>They remain inactive</p> Signup and view all the answers

    Which protein forms pores in the plasma membrane of the target cells during the lysis process by NK cells?

    <p>Perforin protein</p> Signup and view all the answers

    What is the role of granzyme in the destruction of target cells by NK cells?

    <p>Entering the target cell and causing lysis</p> Signup and view all the answers

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