Microbial Metabolism

Question 1

____ is a collection of controlled biochemical reactions in a cell or organism, and its ultimate function is to reproduce the organism.

Answer 1

Metabolism

Question 2

Lactic acid (C3) and Ethanol (C2) are products of a glucose catabolism process called ____

Answer 2

Fermentation

Question 3

Oxygen is required for ____ respiration and not required for ____ (glucose catabolism pathways)

Answer 3

Aerobic, fermentation

Question 4

The ATP/Glucose yielded from aerobic respiration is ___, while it is ____ for fermentation

Answer 4

Lots (30-32), Few (2)

Question 5

In the identification of microorganisms, an example of a focus on a substrate would be ____ as a sole carbon source. The use of this increases pH and changes the color due to the disappearance of acid.

Answer 5

Citrate

Question 6

In the identification of microorganisms, a test for indole (Kovac’s reagent) is an example of a focus on ____

Answer 6

Products

Question 7

___ pathways are oxidative and yield ATP

Answer 7

Catabolic

Question 8

____ pathways are reductive and require ATP

Answer 8

Anabolic

Question 9

In _____, NADH gets converted to NAD+ for use in glycolysis

Answer 9

Fermentation

Question 10

List some examples of fermentation products (non-medical)

Answer 10

Cheese, yogurt, beer, wine, tea, vinegar, etc.

Question 11

MacConkey’s agar (selective growth conditions) only allows gram-____ bacteria to grow

Answer 11

Negative