Anthrax is
A. a zoonosis.
B. transmitted by contact, inhalation, and ingestion.
C. a disease that, in humans, can cause a rapidly fatal toxemia and septicemia.
D. only seen sporadically in the United States.
E. All of the choices are correct.
Ans: E. All of the choices are correct.
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Compact bone tissue is located in the area
indicated by a. A. b. B. c. C. d. D. e. E.
The primary mechanism whereby cytotoxic T cells are able to destroy infected cells involves
A) activation of the complement system. B) the incorporation of perforins into the cell membrane. C) phagocytosis. D) incorporation of the major attack complex. E) enzymatic degradation
If angiogenesis were not to occur, a tumor would reach the size of a ________ and stop growing
A) period on a typewritten page (.) B) baseball C) grapefruit D) pea E) basketball
What is the first step in protein catabolism for prokaryotes?
A. Deaminases split amino groups off the proteins. B. A phosphate group is attached to the protein to make it less stable. C. Proteins lose ammonia or an ammonium. D. Proteases split proteins into amino acids.