Bacteriology Final Exam questions with
complete solutions
T/F: Bacterial cells usually contain one circular chromosome - correct answer ✔✔True
T/F: Bacterial cells are usually slightly larger than eukaryotic cells - correct answer ✔✔False
T/F: Viruses are considered living things by most biologists - correct answer ✔✔False
T/F: All species of bacteria cause disease - correct answer ✔✔False
T/F: Electron microscopes provide higher magnification and better resolution than light microscopes -
correct answer ✔✔True
T/F: A bacillus is a rod-shaped bacterium - correct answer ✔✔True
T/F: Gram positive cells appear red, pink, or orange after a successful Gram stain - correct answer
✔✔False
T/F: The cell wall in bacteria is selectively permeable - correct answer ✔✔False
T/F: Obligate aerobes require plentiful oxygen gas (O2) - correct answer ✔✔True
T/F: Mesophiles grow best at a temperature above 70°C - correct answer ✔✔False
T/F: All disinfectants are bactericidal - correct answer ✔✔False
T/F: Boiling contaminated water does NOT always destroy endospores - correct answer ✔✔True
, T/F: 100% ethanol is more effective than 70% ethanol at destroying microbes - correct answer ✔✔False
T/F: The antibiotics streptomycin and tetracycline are produced by a type of mold - correct answer
✔✔False
T/F: HEPA filters remove bacteria from air - correct answer ✔✔True
T/F: Autoclaving always destroys prions - correct answer ✔✔False
T/F: All anabolic pathways are biosynthetic and endergonic - correct answer ✔✔True
T/F: Fermentation is an example of an anabolic pathway - correct answer ✔✔False
T/F: ADP contains two phosphate groups - correct answer ✔✔True
T/F: Enzymes speed up biochemical reactions by decreasing the activation energy required to start a
reaction - correct answer ✔✔True
T/F: Aerobic respiration produces less ATP per glucose than fermentation - correct answer ✔✔False
T/F: Cyanobacteria are the closest living prokaryotic relatives to algae and plants - correct answer
✔✔True
T/F: There are three domains of living things - correct answer ✔✔True
T/F: Bacteria and archaea are in separate domains - correct answer ✔✔True
T/F: Bergey's Manual of Determinative Bacteriology is the authoritative guide for classifying prokaryotes
- correct answer ✔✔False
complete solutions
T/F: Bacterial cells usually contain one circular chromosome - correct answer ✔✔True
T/F: Bacterial cells are usually slightly larger than eukaryotic cells - correct answer ✔✔False
T/F: Viruses are considered living things by most biologists - correct answer ✔✔False
T/F: All species of bacteria cause disease - correct answer ✔✔False
T/F: Electron microscopes provide higher magnification and better resolution than light microscopes -
correct answer ✔✔True
T/F: A bacillus is a rod-shaped bacterium - correct answer ✔✔True
T/F: Gram positive cells appear red, pink, or orange after a successful Gram stain - correct answer
✔✔False
T/F: The cell wall in bacteria is selectively permeable - correct answer ✔✔False
T/F: Obligate aerobes require plentiful oxygen gas (O2) - correct answer ✔✔True
T/F: Mesophiles grow best at a temperature above 70°C - correct answer ✔✔False
T/F: All disinfectants are bactericidal - correct answer ✔✔False
T/F: Boiling contaminated water does NOT always destroy endospores - correct answer ✔✔True
, T/F: 100% ethanol is more effective than 70% ethanol at destroying microbes - correct answer ✔✔False
T/F: The antibiotics streptomycin and tetracycline are produced by a type of mold - correct answer
✔✔False
T/F: HEPA filters remove bacteria from air - correct answer ✔✔True
T/F: Autoclaving always destroys prions - correct answer ✔✔False
T/F: All anabolic pathways are biosynthetic and endergonic - correct answer ✔✔True
T/F: Fermentation is an example of an anabolic pathway - correct answer ✔✔False
T/F: ADP contains two phosphate groups - correct answer ✔✔True
T/F: Enzymes speed up biochemical reactions by decreasing the activation energy required to start a
reaction - correct answer ✔✔True
T/F: Aerobic respiration produces less ATP per glucose than fermentation - correct answer ✔✔False
T/F: Cyanobacteria are the closest living prokaryotic relatives to algae and plants - correct answer
✔✔True
T/F: There are three domains of living things - correct answer ✔✔True
T/F: Bacteria and archaea are in separate domains - correct answer ✔✔True
T/F: Bergey's Manual of Determinative Bacteriology is the authoritative guide for classifying prokaryotes
- correct answer ✔✔False
