What disease involves transmission by aerosolized water from whirlpool spas, air conditioners, cooling towers, and supermarket vegetable misters?
What will be an ideal response?
Legionellosis
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Seth purchased five pounds of live crayfish and realized that the outer shells were made of a tough carbohydrate similar to that used to make the carapace of a cockroach. What do you think the outer shells of the crawfish are made of?
A. Glycogen B. Chitin C. Amylopectin D. Cellulose E. Fibrin
Menopause normally occurs around age 60, when women stop menstruating and their ovaries are no longer working.
Answer the following statement true (T) or false (F)
Which of the following does NOT accurately apply to the Ames test?
a. The test uses bacteria as mutagen carcinogen indicators. b. The Ames test is based on the observation that reversions CANNOT occur in mutant bacteria. c. The Ames test measures the reversion of histidine auxotrophs of Salmonella. d. The test can be used to qualitatively test potential mutagens.
Match the correct case study in conservation biology with its animal.
A. fruit bats-introduction of new species B. whales-pollution C. prairie chickens-loss of genetic diversity D. Lake Victoria cichlids-loss of habitat E. songbirds-introduction of new species