Quiz 2

Question 1

What does the first of Kach’s postulates state?

Answer 1

The disease-causing organism must always be present in animals suffering from the disease but not in healthy animals.

Question 2

An expert in ___ would be the best person to consult about removing a soul contaminated with carcinogenic compounds.

Answer 2

Bioremediation

Question 3

Genetic engineering could play a role in developing all of the following except:

Answer 3

Genetic engineering could play a role in developing all of the answer choices:
Methods to enhance crop yield
Methods to limit disease
Gene therapy

Question 4

What was Pasteur’s purpose in using a swan neck-shaped flask rather than a traditional Erlenmeyer flask for his experiments on spontaneous generation?

Answer 4

To prevent large debris and microbes from entering

Question 5

What principal accomplishment of Pasteur’s work was essential to refute the spontaneous generation theory?

Answer 5

Bacterial isolation techniques X
Discriminating optical isomers X
Developing nutrient agar plates for culturing microorganisms X

Question 6

Which pathogen did Pasteur help treat by developing a vaccine against it?

Answer 6

Rabies virus

Question 7

___ first described bacterial cells in a 1684 manuscript by referring to them as “wee animalcules.”

Answer 7

Antoni Van Leeuwenhoek

Question 8

The production of human proteins by genetically engineered microorganisms is an example of:

Answer 8

Biotechnology

Question 9

How do nodule-forming bacteria help agriculture?

Answer 9

They allow for microbially mediated fertilization

Question 10

The invention of which instrument was most critical to the field of microbiology?

Answer 10

Microscope