BIO 182 Test 4 Questions with Correct Answers

BIO 182 Test 4 Questions with Correct Answers 1) Which of the following contains a copy of the chromosome, along with a small amount of dehydrated cytoplasm, within a tough wall? A) cell wall B) endospore C) sec pilus D) flagellum E) capsule - Answer-B) endospore 2) Which of the following is a structure that permits conjugation to occur? A) flagellum B) cell wall C) sex pilus D) capsule E) endospore - Answer-C) sex pilus 3) Which of the following is composed almost entirely of peptidoglycan? A) sex pilus B) flagellum C) endospore D) capsule E) cell wall - Answer-E) cell wall 4) Not present in all bacteria, this cell covering enables cells that possess it to resist the defenses of host organisms: A) capsule B) flagellum C) cell wall D) sex pilus E) DNA - Answer-A) capsule 5) Not present in all bacteria, this structure enables those that possess it to germinate after exposure to harsh conditions, such as boiling: A) endospore B) sex pilus C) capsule D) cell wall E) flagellum - Answer-A) endospore 6) Not present in all bacteria, this cell covering enables cells that possess it to resist the defenses of host organisms: A) sex pilus B) capsule C) flagellum D) endospore E) cell wall - Answer-B) capsule 7) If this structure connects the cytoplasm of two bacteria, one of these cells may gain new genetic material: A) cell wall B) capsule C) endospore D) sex pilus E) flagellum - Answer-D) sex pilus 8) Which of the following is an important source of endotoxin in gram-negative species? A) capsule B) sex pilus C) endospore D) flagellum E) cell wall - Answer-E) cell wall 9) Which of the following requires ATP to function, and permits some species to respond to Respond to taxes (plural of taxis)? A) Endospore B) sex pilus C) flagellum D) capsule E) cell wall - Answer-C) flagellum