Module 5: Microbial Metabolism

Question 1

What process is known as degradation?

Answer 1

Catabolism

Question 2

What process is known as biosynthesis?

Answer 2

Anabolism

Question 3

What type of reaction is hydrolysis categorized as?

Answer 3

Catabolism and exergonic

Question 4

What type of reaction is dehydration synthesis categorized as?

Answer 4

Anabolism and endergonic

Question 5

How do enzymes speed up chemical reactions?

Answer 5

By lowering activation energy

Question 6

What type of molecules are enzymes?

Answer 6

Proteins

Question 7

What molecules bind to the active site of an enzyme?

Answer 7

Substrates

Question 8

How are enzymes named?

Answer 8

The substrate they bind with or the reaction they catalyze

Question 9

What are the enzyme, coenzyme and substrate collectively known as?

Answer 9

Holoenzyme

Question 10

What part of the holoenzyme is inactive?

Answer 10

Apoenzyme

Question 11

What part of the holoenzyme is the activator?

Answer 11

Coenzyme

Question 12

What factor can increase enzyme activity?

Answer 12

Temperature

Question 13

What is the point at which enzyme and substrate are at maximum functioning capacity but could not get any better?

Answer 13

Saturation point

Question 14

What type of inhibitors bind at the same site that the substrate would?

Answer 14

Competitive inhibitors

Question 15

What type of inhibitors bind at the allosteric site?

Answer 15

Non-competitive inhibitors

Question 16

What is the term for a reaction that includes both oxidation and reduction?

Answer 16

Redox reactions

Question 17

What are the three steps in cellular respiration?

Answer 17

Glycolysis
Krebs cycle
Electron transport chain

Question 18

What are the products of glycolysis?

Answer 18

Pyruvic acid
ATP
NADH

Question 19

What are the products or the Krebs cycle?

Answer 19

ATP
NADH
FADH2
CO2

Question 20

What are the products of the electron transport chain?

Answer 20

NAD+
FAD
ATP

Question 21

What are the two types of fermentation?

Answer 21

Lactic acid fermentation
Alcohol fermentation

Question 22

How many ATP are produced in glycolysis?

Answer 22

2

Question 23

How many pyruvic acid are produced in glycolysis?

Answer 23

2

Question 24

What does pyruvic acid turn into during the transition reaction?

Answer 24

Acetyl coenzyme A

Question 25

What is the terminal electron acceptor?

Answer 25

Oxygen

Question 26

How many ATP are produced in prokaryotic cellular respiration?

Answer 26

38

Question 27

How many ATP are produced in eukaryotic cellular respiration?

Answer 27

36

Question 28

Why is there a difference in the number of ATP produced in eukaryotes and prokaryotes?

Answer 28

Eukaryotes use 2 ATP to move the process to mitochondria