Answer Options:
Lungs
Large Intestine
Armpit
Hair follicles
Answer: Hair follicles
Question: The term “ubiquitous” can be applied to every bacterial species.
Answer Options:
True
False
Answer: False
Question: In order, the four stages of clinical infection are:
Answer Options:
Prodromal, invasion, incubation, convalescent
Invasion, incubation, prodromal, convalescent
Incubation, prodromal, invasion, convalescent
Answer: Incubation, prodromal, invasion, convalescent
Question: Bacteria contain many genes, but not all of them are necessarily being expressed at any given time. Bacterial enzymes that are utilized in the basic energy pathways of the cell and are continually synthesized are termed:
Answer Options:
Synthetic enzymes
Repressible enzymes
Inducible enzymes
Constitutive enzymes
Answer: Constitutive enzymes
Question: The three domains of life are the Bacteria, Eukarya, and the:
Answer Options:
Monera
Protista
Fungi
Viruses
Archaea
Answer: Archaea
Question: Your evaluation for the laboratory course will consist of the following. Select ALL that are correct.
Answer Options:
Assignments
Final Exam
Term paper
Quizzes
Attendance
Journals
Answer: Assignments
Final Exam
Quizzes
Attendance
Journals
Question: Alpha helices and beta sheets are examples of:
Answer Options:
Protein primary structures
Protein secondary structures
Protein tertiary structures
Protein quaternary structures
Answer: Protein secondary structures
Question: True or False: The human body has as many or more bacterial cells associated with it than human cells.
Answer Options:
True
False
Answer: True
Question: Cilia are limited to which of the following groups of microbes?
Answer Options:
Algae
Bacteria
Fungi
Protozoa
Answer: Protozoa
Question: Which organelle is embedded in the rough endoplasmic reticulum to give it its characteristic “bumpy” appearance?
Answer Options:
Ribosomes
Nucleus
Golgi bodies
Mitochondria
Answer: Ribosomes
Question: Members of the genus Sphingomonas can withstand temperatures as low as -20°C. These organisms are examples of:
Answer Options:
extremophiles
psychrophiles
halophiles
Both a & b
Both a & c
Answer: Both a & b
Question: Late assignments will be penalized.
Answer Options:
True
False
Answer: True
Question: Horizontal transmission of symbionts occurs when the host acquires its symbionts from:
Answer Options:
Inheritance from parent organisms
The environment
Both
Neither
Answer: The environment
Question: ______ refers to the study of how organisms are related evolutionarily.
Answer Options:
Classification
Phylogeny
Taxonomy
None of the answers are correct
Answer: Phylogeny
Question: Which medicine/drug is used to counteract the side-effects of overdosing opioid drugs?
Answer Options:
Naloxone
Penicillin
Nicotine
Ethyl alcohol
Answer: Naloxone
Question: What is the dilution factor, if you conducted a serial dilution of 0.1 mL of stock culture added to 9.9 mL PSB?
Answer Options:
10^-1
10^-2
10^-3
10^-4
Answer: 10^-2
Question: During which stage of infection does a patient recover or become terminal?
Answer Options:
Invasion
Prodromal
Convalescent
Incubation
Answer: Convalescent
Question: Which of the following is an example of an electron carrier:
Answer Options:
ATP
NADH+
Pyruvate
G-3-P
Answer: NADH+
Question: The Gram stain tells us the genus of a bacterial species
Answer Options:
True
False
Answer: False
Question: The Dutch merchant who made and used quality magnifying lenses to see and record bacteria for the first time was:
Answer Options:
Francesco Redi
Antonie van Leeuwenhoek
Louis Pasteur
Joseph Lister
Robert Koch
Answer: Antonie van Leeuwenhoek
Question: Which hormones are secreted by the pancreas?
Answer Options:
a. insulin
b. glucagon
c. both a and b are true
d. pepsin
Answer: c. both a and b are true
Question: Which of the following is a reason why encapsulated bacteria have a greater pathogenicity than those bacteria which do not produce a capsule?
Answer Options:
Bacterial capsules cause Cancer in humans
Bacterial capsules produce a toxin that breaks down epithelial cells
Capsules protect bacteria from phagocytosis
Producing a capsule means the cell is eukaryotic
None of the answers are correct
Answer: Capsules protect bacteria from phagocytosis
Question: The density of microbial cells in the human GI tract is lowest in the ___________, largely due to the _________.
Answer Options:
Colon/Low pH
Stomach/Low pH
Colon/High pH
Stomach/High pH
Answer: Stomach/Low pH
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