Which of the following pairs is mismatched?
A) Rickettsia — intracellular parasite
B) Brucella — gram-negative aerobic rods
C) Francisella — gram-positive facultatively anaerobic pleomorphic bacillus
D) Bacillus — gram-positive endospore-forming rods
E) None of the pairs is mismatched.
Ans: C) Francisella — gram-positive facultatively anaerobic pleomorphic bacillus
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The primary disadvantage of an osmoregulator strategy is
A. pumping ions into or out of the body is energetically expensive. B. pumping ions into or out of the body is not a significant energetic expense usually. C. keeping relatively constant internal conditions deprives the central nervous system of critical information about the environment. D. pumping water into or out of the body is energetically expensive. E. physiological systems do not typically perform well under relatively constant conditions.
The set of analytical and mathematical tools designed to help researchers gain understanding from the data they gather is called:
A) geometry. B) biology. C) genetics. D) science. E) statistics
Why do some people not drink beverages with caffeine right before bedtime?
A. It increases the flow of urine and causes you to go to the bathroom during the night. B. It can cause a headache if consumed late at night. C. It decreases the flow of urine and can cause kidney stones. D. It may affect the ability to sleep, but caffeine has very little effect on the urinary system. E. It can lead to diarrhea.
Anaerobic cellular respiration
A. is also called fermentation. B. only involves glycolysis. C. does not generate ATP. D. utilizes an electron transport system. E. uses the same final electron acceptors as aerobic respiration