Podcast
Questions and Answers
Which type of proteins have not been found in invertebrates?
Which type of proteins have not been found in invertebrates?
- Immunoglobulins (correct)
- Agglutinins
- Lysins
- Complement proteins
What is the only immunoglobulin found in agnathans such as the lamprey?
What is the only immunoglobulin found in agnathans such as the lamprey?
- IgM (correct)
- IgA
- IgG
- IgE
What do cells resembling lymphocytes in invertebrates include?
What do cells resembling lymphocytes in invertebrates include?
- Phagocytes and dendritic cells
- Hemocytes and coelomocytes (correct)
- T cells and macrophages
- Natural killer cells and B cells
Which feature is common to the most primitive cells of the immune system?
Which feature is common to the most primitive cells of the immune system?
What is a function of phagocytosis in single-celled protozoans?
What is a function of phagocytosis in single-celled protozoans?
What is a characteristic of phagocytic cells in higher animals?
What is a characteristic of phagocytic cells in higher animals?
Which term is used by some immunologists to refer to the defensive capabilities of invertebrates against foreign materials?
Which term is used by some immunologists to refer to the defensive capabilities of invertebrates against foreign materials?
What characteristic of invertebrate cell-mediated immunity is highlighted in comparison to vertebrates?
What characteristic of invertebrate cell-mediated immunity is highlighted in comparison to vertebrates?
What function of the immune system is concerned with the recognition and destruction of neoplastic cells?
What function of the immune system is concerned with the recognition and destruction of neoplastic cells?
Why do some organisms have an adaptive advantage in terms of immune fitness in the evolutionary 'struggle for existence'?
Why do some organisms have an adaptive advantage in terms of immune fitness in the evolutionary 'struggle for existence'?
What is an important component of biological fitness in the evolution of the immune system?
What is an important component of biological fitness in the evolution of the immune system?
What complex elements are involved in the vertebrate immune system according to the text?
What complex elements are involved in the vertebrate immune system according to the text?
