5. Which of the following is a characteristic of protists? Select one: A. They are eukaryotic microbes which cannot be classified as fungi. B. They are acellular. C. They are prokaryotic microbes. D. They are reproduced by binary fission. E. They do not have mitochondria in their cytoplasm. 6. Which of the following statements about Staphylococcus aureus is correct? Select one: A. It is stained pink by the Gram stain. B. It can survive in the presence of oxygen. C. It is a common cause of urinary tract infection. D. It is resistant to penicillin. E. It is a rod-shaped bacterium. 7. Which of the following is a causative agent for hemolytic uremic syndrome? Select one: A. Staphylococcus aureus B. Streptococcus pneumoniae C. Escherichia coli O157:H7 D. Helicobacter pylori E. Vibrio cholera. 8. Which of the following types of microbes has the lowest oxygen requirement? Select one: A. Obligate anaerobes B. Facultative anaerobes C. Aerotolerant anaerobes D. Microaerophiles E. Aerobes.
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Which of the following is a characteristic of protists? Select one: A. They are prokaryotic microbes. B. They are acellular. C. They are reproduced by binary fission. D. They are eukaryotic microbes which cannot be classified as fungi. E. They do not have mitochondria in their cytoplasm.
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Which of the following statements regarding protozoa is false? a) Some protozoa lack mitochondria. b) Some protozoa contain chlorophyll. c) Some protozoa are parasitic. d) Malaria is caused by a protozoan.
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