MICROBIO BIOD EXAM 1
- Which of the following is NOT one of Koch’s postulates of disease?
The organism may cause a different disease in some infected individuals. - Select the true statement(s) regarding the scientific method. To be marked correct,
you’ll need to select all true statements, as there may be more than one correct answer.
-A theory is a hypothesis that has been proven through many studies with consistent,
supporting conclusions.
-A hypothesis is a prediction and is proposed as a potential answer to a question. - Which of the following is correctly written, based upon the rules of the binomial
nomenclature system?
Escherichia coli - Choose the true statement(s) about the taxonomic hierarchy and its vocabulary
terms. To be marked correct, you’ll need to select all true statements, as there may be
more than one correct answer.
The five-kingdom classification scheme includes: Animalia, Plantae, Fungi, Protista, and
Monera.
An example of a domain is Archaea. - Choose the false statement(s) about malaria’s impact on humans. To be marked
correct, you’ll need to select all false statements, as there may be more than one correct
answer.
-The malarial pathogen causes a more dangerous disease in people who carry the gene
for sickle cell anemia.
-Malaria causes sickle cell anemia, making this trait more common in people who live
where malarial parasites thrive.
-Malaria has become rare in humans
- Which of the following is an example of bioremediation?
The use of Marinobacter species to degrade oil - Which of the following is (are) mismatched? To be marked correct, you’ll need to
select all mismatched statements, as there may be more than one correct answer.
Pure culture: diverse colonies evident
Streak plate technique: broth culture - Choose the false statement(s) about the simple staining technique. To be marked
correct, you’ll need to select all false statements, as there may be more than one correct
answer.
The simple staining method uses a single acidic dye that stains the slide background. - Choose the true statement(s) about aseptic techniques. To be marked correct, you’ll
need to select all true statements, as there may be more than one correct answer.
-Aseptic technique includes hand washing.
-Aseptic techniques are essential to keeping a microbial culture pure.
-Aseptic techniques reduce the incidence of healthcare acquired infections (HAIs). - Why is a specimen smaller than 200 nm not visible with a light microscope?
Anything smaller than 200 nm cannot interact with visible light. - What happens to the light rays when they hit the specimen?