Answer Options:
True
False
Answer: False
Question: Which type of microscope can be used to observe viruses?
Answer Options:
Phase Contrast?
Dark Field
Bright Field
Scanning Electron Microscope (SEM)
Answer: Scanning Electron Microscope (SEM)
Question: Which of the following are reasons for washing hands before and after lab activities? (Select all that apply)
Answer Options:
Hands may become contaminated with infectious bacteria during lab experiments.
Hands may be contaminated with irritating chemicals during experiments.
Hands may be a source of contamination of lab experiments.
Hands may become stained during lab.
Answer: Hands may become contaminated with infectious bacteria during lab experiments.
Hands may be contaminated with irritating chemicals during experiments.
Hands may be a source of contamination of lab experiments.
Question: Use the diagram below to answer this question: The entire diagram depicts the cell envelope from a typical ________ cell.
Answer Options:
Gram-positive bacteria
Archaea
Gram-negative bacteria
Eukaryotic
None of these are correct
Answer: Gram-negative bacteria
Question: Peptidoglycan is a unique macromolecule found in some bacteria:
Answer Options:
Cell walls
Cell membranes
Capsules
Slime layers
Inclusion
Answer: Cell walls
Question: True or False: The upper respiratory tract has a more diverse normal microbiome than the lower respiratory tract.
Answer Options:
True
False
Answer: True
Question: The symbiotic relationship between Aliivibrio fischeri and the Hawaiian Bobtail squid is:
Answer Options:
Commensal
Mutualistic
Amensal
Predatory
Answer: Mutualistic
Question: Which of the following items should be disposed of in a biohazard bag? (Select all that apply)
Answer Options:
Paper and plastic pipettes from sterile packs, petri dishes, and stacks of culture media
Glass culture tubes
Gloves used while working with infectious microbes
Used agar plates
Answer: Paper and plastic pipettes from sterile packs, petri dishes, and stacks of culture media
Gloves used while working with infectious microbes
Used agar plates
Question: True or false: The genome of a positive strand RNA virus must be converted to a negative strand before translation in the host cell.
Answer Options:
True
False
Answer: False
Question: Which of the following items should be disposed of in the sharps container? (Select all that apply)
Answer Options:
Scalpel blades
Needles
Glass pipettes
Gloves
Agar plates
Broken glass
Answer: Scalpel blades
Needles
Glass pipettes
Broken glass