Paul Ehrlich used chemotherapy to treat
A) cholera.
B) cancer.
C) anthrax.
D) smallpox.
E) syphilis.
E
Bloom's Taxonomy: Comprehension
Section: The Golden Age of Microbiology
Learning Outcome: 1.18
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Molecular phylogenies show all land plants are a monophyletic group. This suggests that _____
A) there were many different transitions from aquatic to terrestrial habitats B) wind-pollinated plants arose first C) land plants have undergone a diversification since they first colonized terrestrial habitats D) there was a single transition from aquatic to terrestrial habitats
Actinomycetes
A. form sexual spores, that is, they are used for sexual reproduction. B. do not form spores. C. form heat resistant spores. D. form asexual spores.
A patient with an indwelling catheter tip began spiking a fever of 39°C. The site of the catheter was inflamed and red. The catheter tip was cultured, and the following organism was isolated: a nonlactose-fermenter on MacConkey agar; a glucose, xylose, and mannitol oxidizer with the ability to hydrolyze esculin. This organism is most likely which one of the following?
a. CDC group EF-4b b. S. putrefaciens c. R. radiobacter d. P. yeei
The property of water whereby molecules tend to stick to one another is called:
a. cohesion. b. polarity. c. dissolving ability. d. adhesion. e. viscosity.