Are You a T Cell Expert?
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Questions and Answers

What is the function of T cells in the immune system?

  • To eliminate abnormal cells from the body (correct)
  • To produce antigens for the body
  • To activate antigen-presenting cells
  • To secrete hydrophilic perforins and granzymes
  • What is the role of PD-1 and TGF-β receptor in T cells?

  • To bind to tumor cells and T regulatory cells (correct)
  • To activate programmed death-ligand 1
  • To differentiate anti-inflammatory immune cells
  • To induce the exhaustion of cytotoxic T cells
  • What is the effect of TGF-β in the TME?

  • It binds to programmed death-ligand 1
  • It activates the release of hydrophilic perforins and granzymes
  • It induces the differentiation of anti-inflammatory immune cells (correct)
  • It eliminates abnormal cells from the body
  • Qual é a diferença entre a reprodução sexuada e a assexuada nas plantas?

    <p>A reprodução sexuada envolve a recombinação genética e a união de dois gametas, enquanto a reprodução assexuada origina outro indivíduo idêntico à planta-mãe.</p> Signup and view all the answers

    Qual é a função da flor na reprodução sexuada das plantas?

    <p>A flor contém os gametas masculinos e femininos, que se unem para formar o zigoto.</p> Signup and view all the answers

    Qual é o tipo de reprodução que garante a variabilidade genética na espécie de plantas?

    <p>Reprodução sexuada</p> Signup and view all the answers

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