Elementary bodies of chlamydiae are specialized for reproduction rather than infection.
Answer the following statement true (T) or false (F)
False
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Mismatch of either the Rh antigen or the AB antigen results in lysis of red blood cells by complement
Indicate whether this statement is true or false.
A prion is a(n)
A) very small virus. B) a virus built only of protein. C) infectious protein. D) a subatomic particle, along with a neutron and an electron.
Fruit flies all look more or less alike. If you have a male and female fruit fly, how could you test the hypothesis that they're the same species?
A) Determine the sequence of several of their genes. B) Examine them closely under a microscope, and compare what you see to a published description of fruit flies. C) See if they'll mate when they're put together. D) See if they mate and if their offspring can also mate.
Which of these statements is NOT true about complement?
A. Complement is required for formation of antigen-antibody complexes. B. Complement is a complex of plasma proteins that are activated in the presence of pathogens. C. Complement attracts phagocytes to the bacterial cell and increases its likelihood of being engulfed. D. Complement forms holes in bacterial membranes and allows fluid and salts to enter a bacterial cell.