Parasitic worms, even meters-long tapeworms, are studied in microbiology because
A. they are parasites.
B. diagnosis usually involves microscopic examination of patient samples.
C. the Gram stain can be used to identify them.
D. Leeuwenhoek first discovered them.
E. no one else wants to study them.
Answer: B
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Fermentation pathways make no more ATP beyond the small yield from glycolysis. The remaining reactions serve to regenerate ________
a. FAD b. NAD+ c. glucose d. oxygen
You have been studying the relationship between jackals and tigers in India. Until recently, the only relationship you have observed is that jackals will associate themselves with a particular tiger and follow it at a safe distance in order to feed on the big cat's kills. However, recently you observed a jackal alerting a tiger to a kill with a loud cry. If you continue to observe this alerting behavior, you might change the categorization of the jackal/tiger relationship from ___________ to __________________.
A. mutualism; parasitism B. mutualism; commensalism C. commensalism; mutualism D. parasitism; mutualism E. competition; predation Clarify question: What is the key concept addressed by the question? What type of thinking is required? Gather Content: What do you already know about symbiotic relationships how the different behaviors of the animals relate to each type of symbiosis? What other information is related to the question? Choose Answer: Given what you now know, what information is most likely to produce the correct answer? Reflection on Process: Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Our ancestors most likely came from
a. southern Africa. b. Asia. c. Chile. d. the Yukon. e. Australia.
Which English economist predicted that the rapid growth of human populations would soon exceed Earth's capacity to support it?
A) Hutton B) Wallace C) Lyell D) Mendel E) Malthus