What activates protein kinase C?
a. IP3
b. DAG
c. cAMP
d. PIP2
e. calcium ions
B
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Human cells have
a)23 pairs of chromosomes. b)23 chromosomes. c)46 pairs of chromosomes. d)2 pairs of sex chromosomes. e)one pair of autosomes.
Which of the following statements is FALSE?
A) The variable region of a heavy chain is partially responsible for binding with antigen. B) The variable region of a light chain is partially responsible for binding with antigen. C) The Fc region attaches to a host cell. D) The constant region of a heavy chain is the same for all antibodies. E) All of the answers are correct.
Which of the following etiologic agents results in the formation of abscesses?
A) Staphylococcus B) Mycoplasma C) Streptococcus D) Blastomyces E) Coccidioides
Before working at the hospital, Beth was given a Mantoux skin test to detect tuberculosis. If it were positive, the site of the test would become hardened and red. What type of response is this?
A. immediate allergic B. histamine C. B-cell mediated D. anaphylactic E. delayed allergic