Fecal Bacteriotherapy?
What will be an ideal response?
•For patients with chronic colonic illness, re-establishing a healthy microbiota possible with fecal transplant (FT).
-Application for patients with chronic C. difficile infection.
•Study 1: 24 of 26 patients completely cured of any C. difficile infection following FT (J. Clin. Gastroenterology study, 2012)
•Study 2: FT vs. vancomycin treatment (Keller et al. 2013).
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Photoreceptors are sensitive to what general type of sensory information?
A. tactile B. sound C. temperature D. chemicals in the animal's environment E. electromagnetic radiation
Homo erectus has been shown to have dispersed from
A. South America. B. Asia. C. North America. D. Africa. E. Europe.
Bioengineering to create organs for transplants involves
A) growing cells without a scaffold. B) seeding a scaffold of connective tissue matrix with stem cells. C) transplanting unaltered organs. D) using 3D printers to make organs that function without copying structure.
Which of the following would bear the most resemblance to Archaeopteris, an ancient plant genus that preceded gymnosperms and angiosperms?
A. a pine tree that does not produce cones B. a grass species that lacks flowers C. a cycad that does not produce coralloid roots D. a sunflower that does not produce endosperm E. a ginkgo lacking vascular tissue