Question: True or False: Digestion of microorganisms occurs in phagosomes.

Answer Options:
True
False

Answer: True

Question: A larger zone of inhibition indicates that a product is a better disinfecting/antimicrobial agent.

Answer Options:
True
False

Answer: True

Question: Which organism causes freshwater harmful algal blooms around the world?

Answer Options:
Microcystis aeruginosa
Pseudomonas aeruginosa
Naegleria fowleri
Saccharomyces cerevisiae

Answer: Microcystis aeruginosa

Question: The Gram stain provides information about colony morphology. True False

Answer: False

Question: True or false: Coccidioides immitis and Histoplasma capsulatum cause the same disease in humans.

Answer Options:
True
False

Answer: False

Question: The KEY differentiating Gram Stain step is the application of Gram’s Iodine.

Answer Options:
True
False

Answer: True

Question: Quizzes will be administered through Canvas.

Answer Options:
True
False

Answer: True

Question: Buchnera provide their insect host with what kind of benefit?

Answer Options:
Camouflage
Nutritional
Immune defense

Answer: Nutritional

Question: This laboratory course requires that you attend virtually. Which platform will your Instructor use to videoconference with the class?

Answer Options:
Skype
GroupMe
WebEx

Answer: WebEx

Question: True or False: Secondary endosymbionts are required for host reproduction.

Answer Options:
True
False

Answer: False

Question: What is the primary stressor that causes coral bleaching?

Answer Options:
Infection
Starvation
Temperature increase
Sedimentation

Answer: Temperature increase

Question: 90% of bacteria in the human GI tract are members of the phyla:

Answer Options:
A. Bacteroidetes and Actinobacteria
B. Bacteroidetes and Proteobacteria
C. Bacteroidetes and Firmicutes
D. Actinobacteria and Proteobacteria
E. Proteobacteria and Firmicutes

Answer: C. Bacteroidetes and Firmicutes

Question: The microscope lens that focuses light from its source is the:

Answer Options:
Condenser
Ocular
Objective

Answer: Condenser

Question: True or false: Most animal vectors are mammals.

Answer Options:
True
False

Answer: True

Question: Which of the following organisms has a chained cellular arrangement?

Answer Options:
Bacillus subtilis
Streptococcus pyogenes
Escherichia coli
Staphylococcus aureus

Answer: Streptococcus pyogenes

Question: True or False: The primary structure of a protein refers to its sequence of amino acids.

Answer Options:
True
False

Answer: True

Question: Calculate the original cell density (OCD) of a bacterial culture from which you set up the following dilution series: Total dilution factor = 10^-7 Plate volume = 0.1 mL Total colonies counted = 49

Answer Options:
4.9 x 10^7 CFU/mL
4.9 x 10^8 CFU/mL
4.9 x 10^9 CFU/mL
4.9 x 10^10 CFU/mL

Answer: 4.9 x 10^9 CFU/mL