What species of Rhizopus may infect people who

have a weakened immune system?
a. R. oryzae
b. R nigicans
c. R. stolonifer
d. R. arrhizus
e. any of these


Answer: a

Biology & Microbiology

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A direct immunofluorescent antibody (DFA) test was performed on a sputum sample that yielded a positive test. The organism grew on BCYE medium and was a thin gram-negative, faintly staining bacillus. What is the drug of choice for this organism?

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In your observations of a new rotifer species, you note that diploid females can lay diploid eggs that in turn become diploid female adults.  What do you conclude about this behavior?

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In a neuron, ion channels permit movement of (but don't pump) ____________.

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Biology & Microbiology