What is the diagnostic structure produced by Paracoccidioides brasiliensis?
A. spiny spores visible by brightfield microscopy
B. "steering wheel" buds visible in stained tissue samples
C. spherules observed in tissue samples
D. yeast buds that are not dissolved by KOH
E. dimorphism when grown in the lab
Answer: B
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The tapetum lucidum is a key adaptation to
A. visual function in the deep sea. B. visual function in fast moving predators. C. visual function in brightly lit shallow marine waters. D. visual function in prey species that require wide fields of vision. E. visual sensitivity in nocturnally active animals.
Where are petioles located?
a. at the end of a stem b. between the leaf and stem c. between adjacent nodes d. within vascular bundles
Why do eukaryotic chromosomes have multiple origins of replication? Design an experiment that allows you to test your hypothesis
What will be an ideal response?
Of those listed, which level of classification is the most specific?
A. domain B. kingdom C. class D. phylum E. family