Which of the following diseases is considered an emerging disease because it was unknown before 1987?

A. anaplasmosis
B. Brill-Zinsser disease
C. murine typhus
D. Rocky Mountain spotted fever
E. lymphogranuloma venereum


Answer: A

Biology & Microbiology

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Four of the five answers below are factors that contribute to strong fossil records of certain species. Select the exception

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The cells wall of bacteria Z contains high concentrations of phospholipids along with proteins and relatively low amounts of  lipopolysaccharide. When bacteria Z is gram stained, it will most like be colored?

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