What virulence factor does Cryptococcus neoformans have in common with most of the bacteria that cause meningitis?
A. Capsule
B. Superantigen characteristics
C. Toxin production
D. Hyaluronidase production
E. Adhesive pili
Answer: A
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Which of the following is NOT correct
concerning a tubal pregnancy?
a. they can be caused by endometriosis b. they can threaten the life of the mother c. they can be caused by STDs d. fetuses that come to term must be delivered by Caesarian section e. all of these are true concerning a tubal pregnancy
You are inspired by your professor's lecture on human demography to decrease your ecological footprint. What steps would best help you accomplish this goal? Select all that apply.
A. Carpool, walk, or bike more often. B. Heat your home using the fireplace instead of natural gas. C. Eat meat-free meals at least one day a week. D. Trade in your sedan for an SUV you can use for camping. E. Live out in the countryside, even if your job is in the city. F. Start a high-protein diet that replaces refined carbohydrates with meat. G. Dress warmer and turn down the thermostat. H. Take a road trip to visit all the national parks.
Which organism's life depends on photosynthesis?
A. corals B. oak trees C. humans D. sea slug Elysia chlorotica E. All answers are correct.
Lipopolysaccharide is comprised of three moieties (lipid A, core oligosaccharide, and O-antigen), which require ________ biosynthetic pathway(s).
A. one B. two C. six D. three