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
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Which of the following does NOT affect blood glucose levels?
a. glucagon b. insulin c. epinephrine d. parathyroid hormone e. glucocorticoids
Four of the five answers below are factors that contribute to strong fossil records of certain species. Select the exception
a. persisted for a long time b. hard body parts c. concentrated in one geological area d. lived in dense populations e. widespread distribution
Which of the following is converted inside root cells into its product, which is then rapidly used to synthesize organic molecules?
a. NH4+ is converted to NO3?. b. N2 is converted to NO3?. c. NO3? is converted toNH4+. d. NH is converted to NH4+.
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?
A. Pink B. Purple C. Blue D. Clear, it does not retain any stain