To help prevent rejection of a transplanted organ, what is analyzed?
a. MHC markers
b. plasma antibodies
c. lysozyme concentration
d. killer T cell levels
e. B cell levels
A
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The Carboniferous Period is known for
A. The formation of rich coal deposits. B. The first examples of terrestrial gymnosperms. C. The appearance of the first angiosperms. D. A rapid increase in the diversity of marine invertebrates. E. The appearance of the first true mammals.
Which hormone is essential to our ability to maintain our fluid levels?
A) cortisol B) aldosterone C) thyroxine D) insulin
If you suspect someone has Clostridium infection such as gangrene or tetanus you must confirm which of the followings:
A. Gram positive B. Cluster formation C. Bacilli in chains D. Diplococci A. A, B, and D B. A and B C. A and C D. A and D E. A, B, and C
A potential drug for the treatment of prion disease would be
a. a protease because prions are made only of protein. b. a ribonuclease because prions are made only of nucleic acid. c. a nucleoside inhibitor to prevent formation of new nucleotides. d. none of the above.