A capsule and phenoloxidase melanin synthesis are virulence factors contributing to the pathogenicity of which of the following organisms?
a. Aspergillus spp.
b. P. brasiliensis
c. B. dermatitidis
d. C. neoformans
D
A capsule and phenoloxidase melanin synthesis are both virulence factors of C. neoformans.
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Natural selection has fueled the rise in MRSA (methicillin-resistant Staphylococcus aureus) infection by
A) enabling people to use a greater variety of antibiotic drugs to fight the infection. B) inactivating a greater variety of antibiotic drugs. C) enabling certain bacterial variants to survive in the presence of many antibiotic drugs. D) killing all bacteria exposed to antibiotics, including helpful ones.
Which of the following do accessory pigments
NOT do?
a. absorb additional wavelengths of light for photosynthesis b. provide protection from UV light c. attract animals for the purposes of seed dispersal and pollination d. reflect white light e. make roses red and violets blue
A blood alcohol concentration greater than ____ may be fatal
a. 0.08 per milliliter b. 0.4 per milliliter c. 0.02 per milliliter d. 0.05 per milliliter e. 0.2 per milliliter
E. O. Wilson coined the term ________ for our innate appreciation of wild environments and living organisms
A) bioremediation B) bioethics C) biophilia D) biophobia