Answer Options:
Ciliate/White Nose Syndrome
Fungus/White Nose Syndrome
Ciliate/African Sleeping Sickness
Fungus/African Sleeping Sickness
Answer: Fungus/White Nose Syndrome
Question: After growth of the E. coli culture, ONPG was added to each of the three different carbon source tubes in the induction experiment. A positive result indicated the presence of what enzyme?
Answer Options:
Glucoamylase
Amylase
Oxidase
β-Galactosidase
Answer: β-Galactosidase
Question: Antibiotics are ineffective in the treatment of fungal infections.
Answer Options:
True
False
Answer: True
Question: Where is the “Pleasure and Reward Circuit” located in the brain?
Answer Options:
Limbic system
Brain stem
Peripheral nervous system
Basal ganglia
Answer: Limbic system
Question: If you flood starch agar plates with Gram’s iodine the agar will turn purple. If the starch has been broken down, a __________ will appear around the colony.
Answer Options:
Clear zone
Zone of inhibition
Yellow halo
Metallic sheen
Answer: Clear zone
Question: Which of the following viruses has its RNA genome replicated by first using the host RNA Polymerase to generate a negative template strand?
Answer Options:
Smallpox
HIV
Polio
Influenza
Answer: Influenza
Question: The pathogen Staphylococcus aureus is only found on people’s skin if they have an infection.
Answer Options:
True
False
Answer: False
Question: The Complement System is associated with which organ/body system?
Answer Options:
The Lymph System
Bone Marrow
The Liver
The Lungs
Answer: The Lymph System
Question: A mutation is any permanent, heritable change in the genetic information of the cell.
Answer Options:
True
False
Answer: True
Question: A broth has 2.20 x 10^3 CFU/mL. Approximately how many CFUs would you expect to count if you plated 0.5 mL? Please provide WHOLE number, NO EXPONENTS.
Answer Options:
22 CFU
2 CFU
110 CFU
220 CFU
Answer: 110 CFU
Question: You inoculated an agar deep with an unknown culture and observed growth ONLY in the bottom of the tube after incubation. How would you describe the aerotolerance of this microorganism?
Answer Options:
Facultative anaerobe
Obligate anaerobe
Obligate aerobe
Answer: Obligate anaerobe
Question: Organisms capable of forming endospores are primarily found in:
Answer Options:
Aquatic environments
The human gut
Cave environments
Soil environments
Answer: Soil environments
Question: A boil is an example of a ______ infection.
Answer Options:
Localized
Systemic
Mixed
Focal
Answer: Localized
Question: Bacteria of the genus Bifidobacterium are prevalent in:
Answer Options:
The small intestines of adults
The GI tract of breastfed infants
The GI tract of non-breastfed infants
Answer: The GI tract of breastfed infants
Question: Peptidoglycan is a unique macromolecule found in some bacteria:
Answer Options:
Cell walls
Cell membranes
Capsules
Slime layers
Inclusion
Answer: Cell walls
Question: You have a 35X objective lens in place, and the numerical aperture of the objective lens is 0.75. The numerical aperture of the condenser lens is 1.25. What is the total magnification if the ocular lens is 10X, with the eyepieces spaced 3 cm apart?
Answer: 350X
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: A membrane filter technique is used to collect bacteria from a water sample.
Answer Options:
True
False
Answer: True
Question: Which of the following is an area of the human body where microbes are normally NOT found?
Answer Options:
Liver
Urogenital Tract
Skin
Blood
Both blood and liver
Both Urogenital tract and liver
Answer: Both blood and liver
Question: What is the function of the Sars CoV-2 spike protein?
Answer Options:
A. Hijack host replication machinery
B. Destroy host immune cells
C. Binding and penetration of virus to host cells
D. Budding of new virus particles upon host cell rupture
Answer: C. Binding and penetration of virus to host cells
Question: True or False: Protozoa are in the domain Eukarya.
Answer Options:
True
False
Answer: True
Question: Which group of Amoebozoans contains parasites of humans that can cause neurological disease with high mortality?
Answer Options:
Slime molds
Gymnamoebae
Entamoeba
Answer: Entamoeba
Question: What is the total magnification when using the 40X objective lens of a microscope with an ocular magnification of 5X?
Answer Options:
40X
45X
81X
200X
Answer: 200X
Question: Yeast colonies resemble bacteria colonies.
Answer Options:
True
False
Answer: True