The causative agent of bubonic plague is ________.
A. Yersinia pestis
B. Kingella kingae
C. Ehrlichia chaffeensis
D. Coxiella burnetii
Answer: A
You might also like to view...
The Tat system is involved in
A) protein synthesis. B) transcriptional initiation. C) protein folding. D) protein secretion.
The respiratory surface of an earthworm is located in the _____
a. lungs b. gills c. skin d. gastrovascular cavities e. trachea
All of the following are examples of prezygotic genetic isolating mechanisms EXCEPT:
a. Male fireflies of different species have different flash patterns. b. Three closely related orchid species flower on different days. c. The progeny of a cross between two different lizard species fail to develop properly. d. One species of snake lives in water and another is terrestrial. e. Peeper frogs mate in April, and tree frogs mate in June.
The table shows the distribution of the number of bristles in a Drosophila population indicating how many individuals in the population have those particular number of bristles. Calculate the mean number of bristles in the entire population.
a. 4 b. 4.7 c. 13.27 d. 17.14 e. 18.5