Cassie has athlete’s foot. How could you distinguish this fungal infection from a protist
pathogen?
a. Both are eukaryotes.
b. Fungi have cell walls.
c. Protists are heterotrophs, while fungi are photosynthetic.
d. Protists have a nucleoid region, while fungi have a nucleus with DNA.
B
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Mycetoma is a subcutaneous infection that involves the lower extremities but may also occur in any part of the body. Swelling, purplish discoloration, and tumorlike deformities of the subcuta-neous tissue are all symptoms associated with mycetoma. Which organism can cause this disease?
a. Bipolaris spp. b. Exserohilum spp. c. Pseudallescheria boydii d. Exophiala dermatitidis
Cellular respiration starts in the cytoplasm with the process of
1.glycogenolysis. 2.gluconeogenesis. 3.glycolysis. 4.the Krebs cycle. 5.none of the choices
Digestion of protein begins in the
A. mouth. B. stomach. C. duodenum. D. small intestine.
Scientists depend on systematic observations to develop systems to classify organisms. The classification system most commonly used by scientists consists of different categories arranged in a hierarchy. Which level represents the most exclusive category or group?
A) species B) order C) phylum D) class