Over 470,000 cases of cholera were reported in Haiti in the two years following the 2010 earthquake. Which of the following was the most likely mode of transmission?
A) mosquitoes
B) aerosols
C) contact
D) contaminated water
E) contaminated milk
D
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The biological species concept can be used to distinguish all living and extinct species
a. True b. False
What is the fate of the extra X chromosome in females?
a. Both X chromosomes are maintained normally. b. The extra X chromosome is degraded after each cell division. c. The extra X chromosome condenses. d. The extra X chromosome duplicates. e. The extra X chromosome is deleted after fertilization and is not present in the remainder of cells in the body.
The first kingdom to be recognized beyond Plantae and Animalia was:a
Archae. b. Protista. c. Eubacteria. d. Archaebacteria. e. Fungi
Syphilis and Lyme disease and strikingly similar in which of the following aspects?
A. Their modes of transmission are similar B. Both diseases display three, distinct phases C. Both causative agents can be cultured D. The diseases show cross-immunity