Podcast
Questions and Answers
Microbiology is the study of organisms that are too small to be seen clearly by the unaided eye.
Microbiology is the study of organisms that are too small to be seen clearly by the unaided eye.
True (A)
All microorganisms are classified as either viruses, prokaryotes, or eukaryotes.
All microorganisms are classified as either viruses, prokaryotes, or eukaryotes.
True (A)
Microorganisms carry out their life processes dependent on other cells.
Microorganisms carry out their life processes dependent on other cells.
False (B)
Microbial communities are composed of mixed populations of microorganisms.
Microbial communities are composed of mixed populations of microorganisms.
Infectious diseases are caused by pathogens.
Infectious diseases are caused by pathogens.
Most microorganisms are harmful to humans.
Most microorganisms are harmful to humans.
True or false: Bacteria were among the first life forms to appear on Earth?
True or false: Bacteria were among the first life forms to appear on Earth?
True or false: Eukaryotes include bacteria, viruses, and certain (blue-green) algae?
True or false: Eukaryotes include bacteria, viruses, and certain (blue-green) algae?
True or false: Archaea occur only in unusual habitats?
True or false: Archaea occur only in unusual habitats?
True or false: The nucleus of a eukaryotic cell is membrane-enclosed and contains DNA?
True or false: The nucleus of a eukaryotic cell is membrane-enclosed and contains DNA?
True or false: The bacterial cell membrane controls the movement of molecules into or out of the cell?
True or false: The bacterial cell membrane controls the movement of molecules into or out of the cell?
True or false: In transport, the uptake rate shows saturation at relatively low external concentrations?
True or false: In transport, the uptake rate shows saturation at relatively low external concentrations?
True or false: Bacteria are divided into two major groups based on their response to the 'Gram-stain'
True or false: Bacteria are divided into two major groups based on their response to the 'Gram-stain'
True or false: Peptidoglycan is only found in bacteria
True or false: Peptidoglycan is only found in bacteria
True or false: Lysozyme breaks G-M bonds and bursts the cell
True or false: Lysozyme breaks G-M bonds and bursts the cell
True or false: Archaea lack peptidoglycan in their cell walls
True or false: Archaea lack peptidoglycan in their cell walls
True or false: Capsules are made of polysaccharides and provide protection from host defenses
True or false: Capsules are made of polysaccharides and provide protection from host defenses
True or false: Fimbriae and pili are proteinaceous appendages that help bacteria attach to surfaces
True or false: Fimbriae and pili are proteinaceous appendages that help bacteria attach to surfaces
True or false: Flagella can be arranged in a polar, monotrichous, amphitrichous, lophotrichous, or peritrichous pattern
True or false: Flagella can be arranged in a polar, monotrichous, amphitrichous, lophotrichous, or peritrichous pattern
True or false: Endospores can survive for hundreds or even thousands of years
True or false: Endospores can survive for hundreds or even thousands of years
Which of the following is NOT a type of microorganism studied in microbiology?
Which of the following is NOT a type of microorganism studied in microbiology?
What is the major cause of death in many lower income countries?
What is the major cause of death in many lower income countries?
Which of the following is NOT a benefit of microorganisms in food?
Which of the following is NOT a benefit of microorganisms in food?
Which of the following is NOT a characteristic of Archaea?
Which of the following is NOT a characteristic of Archaea?
Which of the following is the correct order of cell structures from smallest to largest?
Which of the following is the correct order of cell structures from smallest to largest?
Which of the following is NOT a component external to the bacterial cell wall?
Which of the following is NOT a component external to the bacterial cell wall?
Which of the following is NOT a function of the bacterial capsule?
Which of the following is NOT a function of the bacterial capsule?
Which of the following is NOT a pattern of flagella arrangement in bacteria?
Which of the following is NOT a pattern of flagella arrangement in bacteria?
Which of the following is NOT a characteristic of endospores?
Which of the following is NOT a characteristic of endospores?
