The MHC (major histocompatibility complex) is NOT important in
A. distinguishing self from non-self.
B. recognizing infected cells.
C. identifying bacterial pathogens.
D. identifying abnormal cells.
E. presenting antigenic determinants.
C. identifying bacterial pathogens.
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Which of the following would occur if a cell's splicesomes were mutated so they no longer functioned normally?
A. Introns would remain in the mature mRNA. B. Exons would be missing in the mature mRNA. C. Transcription would cease. D. A functional protein would still be produced. E. RNA processing would remain intact.
Which of the following extraembryonic membranes encloses the embryo?
a. amnion b. chorion c. yolk sac d. allantois
Which of the following diseases results in an acquired or secondary immunodeficiency?
A. HIV infection B. Bruton's tyrosine kinase deficiency C. Leukocyte adhesion deficiency D. Wiskott-Aldrich syndrome
What happens to the speed of blood as it passes through the capillaries?
A) It increases greatly. B) It increases slightly. C) It decreases greatly. D) It depends on the location of the capillaries. E) It decreases slightly.