Quiz 5

Question 1

Microorganisms that use the energy from the sun to carry out metabolic processes are referred to as:

Answer 1

Phototrophs

Question 2

Media that contains an indicator that detects particular chemical reactions occurring during growth.

Answer 2

Differential media

Question 3

Media that contains digests of chemically undefined substances.

Answer 3

Complex media

Question 4

What major element is found in all classes of macromolecules?

Answer 4

Carbon

Question 5

Organisms that use organic carbon as a food source.

Answer 5

Heterotroph

Question 6

When cells are grown on a solid medium they produce an isolated mass that is called a:

Answer 6

Colony

Question 7

Media that contains the precise chemical composition is known as:

Answer 7

Defined media

Question 8

Marine microbes require this macronutrient.

Answer 8

Sodium

Question 9

A macronutrient that stabilizes ribosomes, membranes, and nucleic acids.

Answer 9

Magnesium

Question 10

What pure culture technique is being preformed when a small sample is aliquoted onto an agar plate and then distributed evenly over the surface?

Answer 10

Spread plate method