Biosynthesis of vitamin K (menaquinone) by ________ spp. inhabiting the ________ of humans is a potentially important mutualistic relationship for human health
A) Bifidobacterium / intestinal tract
B) Bifidobacterium / stomach
C) Escherichia / intestinal tract
D) Escherichia / stomach
Answer: C
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True or False: At its earliest stages, a logistic growth curve closely resembles an exponential growth curve
A. true B. false
Which of the following would you expect to be most prevalent in the intestines of humans?
A) Endospore-forming bacilli B) Gram-negative, aerobic cocci C) Facultatively anaerobic gram-negative rods D) Aerobic, helical bacteria E) None of the above
The accompanying figure shows a triglyceride that contains unsaturated fatty acids
Indicate whether the statement is true or false
Scientific thinking relies on which of the following?
A) accepting the statements of others as true B) intuition C) memorizing facts D) skepticism E) applying your preconceptions