Which statement describes a home heating and cooling system that functions in a homeostatic way?
A. The heater is on at a constant rate.
B. The thermostat keeps the temperature within a narrow range.
C. The temperature always stays the same.
D. The heater never comes on.
Answer: B
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The human oral flora consists of
A) a small group of phylogenetically related aerobic microorganisms. B) diverse aerobic and anaerobic microorganisms. C) monoculture biofilms on tooth surfaces. D) the same phyla that are found in the human gut.
People with cystic fibrosis display a single phenotype for the disorder
a. True b. False Indicate whether the statement is true or false
In the clinical laboratory, which of the following is (are) used as a rapid method of identification?
A. Mechanized/automated systems B. Immunologic systems C. Manual biochemical kit systems D. All of the choices are correct.
Four of the five answers listed below are
haploid. Select the EXCEPTION.
a. gametophyte b. zygote c. sperm d. egg e. gamete