Chapter 1: The Science of Microbiology

Chapter 1. The Science of Microbiology

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

(A) Parasitism

(B) Symbiosis

(C) Endosymbiosis

(D) Endoparasitism

(E) Consortia

Which one of the following agents lacks nucleic acid?

(A) Bacteria

(B) Viruses

(C) Viroids

(D) Prions

(E) Protozoa

Which one of the following is a prokaryote?

(A) Bacteria

(B) Algae

(C) Protozoa

(D) Fungi

(E) Slime molds

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

(A) Bacteria

(B) Viruses

(C) Viroids

(D) Prions

(E) Plasmids

Which of the following cannot be infected by viruses?

(A) Bacteria

(B) Protozoa

(C) Human cells

(D) Viruses

(E) None of the above

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

(A) True

(B) False

Quorum sensing in prokaryotes involves

(A) Cell–cell communication

(B) Production of molecules such as AHL

(C) An example of multicellular behavior

(D) Regulation of genes involved in diverse physiologic processes

(E) All of the above

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 examination of a ...