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Chapter 1: The Science of Microbiology

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Which one of the following terms characterizes the interaction between herpes simplex virus and a human?

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(A) Parasitism

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(B) Symbiosis

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(C) Endosymbiosis

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(D) Endoparasitism

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(E) Consortia

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Which one of the following agents lacks nucleic acid?

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(A) Bacteria

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(B) Viruses

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(C) Viroids

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(D) Prions

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(E) Protozoa

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Which one of the following is a prokaryote?

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(A) Bacteria

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(B) Algae

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(C) Protozoa

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(D) Fungi

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(E) Slime molds

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Which one of the following agents simultaneously contains both DNA and RNA?

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(A) Bacteria

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(B) Viruses

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(C) Viroids

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(D) Prions

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(E) Plasmids

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Which of the following cannot be infected by viruses?

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(A) Bacteria

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(B) Protozoa

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(C) Human cells

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(D) Viruses

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(E) None of the above

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Viruses, bacteria, and protists are uniquely characterized by their respective size. True or false?

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(A) True

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(B) False

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Quorum sensing in prokaryotes involves

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(A) Cell–cell communication

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(B) Production of molecules such as acetylated homoserine lactone (AHL)

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(C) An example of multicellular behavior

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(D) Regulation of genes involved in diverse physiologic processes

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(E) All of the above

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A 16-year-old female patient presented to her family physician with a complaint of an abnormal vaginal discharge and pruritus (itching). The patient denied having sexual activity and recently completed a course of doxycycline for the treatment of her acne. An ...

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