Test Bank for Microbiology The Human Experience 1st Edition By John W. Foster Zarrintaj Aliabadi Joan L. Slonczewski (Complete And Verified Study material) (422pages) LEARNEXAMS

1. Which of the following is NOT considered a benefit of microorganisms? a. nitrogen fixation c. synthesis of vitamins b. production of fermented foods d. causative agents of disease ANS: D DIF: Easy REF: 1.1 OBJ: 1.1a Describe how we define a microbe, and explain why the definition is a challenge. MSC: Remembering 2. A microbe that is 50 nm in size would most likely be a. fungi. c. virus. b. E. coli. d. algae. ANS: C DIF: Moderate REF: 1.1 OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain what the three domains have in common and how they differ. MSC: Applying 3. Based on the figure shown, the type of organism indicated with an arrow could be a a. virus. c. macroscopic fungi. b. bacteria. d. large ameba. ANS: B DIF: Easy REF: 1.1 OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain what