Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Cell Mol: Exam 3 > Aerobic Respiration > Flashcards

Aerobic Respiration Flashcards

1
Q

Q: Where does glycolysis occur in the cell?

A

A: Cytoplasm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Q: What is the starting material for glycolysis?

A

A: Glucose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Q: What is the net gain of ATP from glycolysis?

A

A: 2 ATP

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Q: How many pyruvate molecules are produced at the end of glycolysis?

A

A: 2 pyruvate molecules

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Q: Is glycolysis an aerobic or anaerobic process?

A

A: Anaerobic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Q: In glycolysis, NAD+ is reduced to which molecule?

A

A: NADH

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Q: What does fermentation regenerate that is required for glycolysis to continue?

A

A: NAD+

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Q: What are the products of lactate fermentation?

A

A: Lactate and NAD+

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Q: What are the products of alcoholic fermentation?

A

A: Ethanol and CO2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Q: What process occurs after glycolysis if oxygen is present?

A

A: Aerobic respiration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Q: Where does pyruvate enter when it is transported into the mitochondria for further processing?

A

A: Mitochondrial matrix

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Q: What type of transport does pyruvate use to enter the mitochondrial matrix?

A

A: Active transport via a H+−Pyruvate cotransporter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Q: What is produced during the decarboxylation of pyruvate?

A

A: Acetyl-CoA, NADH, and CO2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Q: What cycle does acetyl-CoA enter for further processing?

A

A: Citric Acid Cycle (Krebs Cycle)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Q: How many NADH molecules are produced per turn of the Krebs cycle?

A

A: 3 NADH molecules

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Q: Where does the Krebs cycle take place in the cell?

A

A: Mitochondrial matrix

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Q: Is oxygen required for the Krebs cycle?

A

A: Yes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Q: How many ATP molecules are produced per turn of the Krebs cycle?

A

A: 1 ATP molecule (per acetyl-CoA)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Q: How many CO2 molecules are released per turn of the Krebs cycle?

A

A: 2 CO2 molecules

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Q: What is the final electron acceptor in the electron transport chain?

A

A: Oxygen

21
Q

Q: Where does the electron transport chain (ETC) take place?

A

A: Inner mitochondrial membrane

22
Q

Q: What does the electron transport chain (ETC) produce as a byproduct when oxygen combines with electrons and protons?

A

A: Water (H2O)

23
Q

Q: What is the function of the proton gradient created by the ETC?

A

A: It drives ATP synthesis via ATP synthase

24
Q

Q: How many ATPs are generated from one NADH molecule in the electron transport chain?

A

A: Approximately 3 ATP molecules

25
Q

Q: How many ATPs are generated from one FADH2 molecule in the electron transport chain?

A

A: Approximately 2 ATP molecules

26
Q

Q: What process uses the energy from the proton gradient to produce ATP?

A

A: Chemiosmosis

27
Q

Q: What is the maximum number of ATPs generated from one molecule of glucose after complete aerobic respiration?

A

A: Approximately 38 ATP molecules

28
Q

Q: In the electron transport chain, which complex does NADH donate electrons to?

A

A: Complex I

28
Q

Q: In the electron transport chain, which complex does FADH2 donate electrons to?

A

A: Complex II

29
Q

Q: What is the role of ATP synthase in aerobic respiration?

A

A: It synthesizes ATP using energy from the proton gradient.

30
Q

Q: What molecule enters the Krebs cycle after being converted from pyruvate?

A

A: Acetyl-CoA

31
Q

Q: The process by which intermediates can enter the Krebs cycle at any point is called a __________ cycle.

A

A: Metabolic cycle

32
Q

Q: What is the main purpose of the Krebs cycle?

A

A: To produce high-energy electron carriers (NADH and FADH2) and generate ATP.

33
Q

Q: What is the total number of NADH molecules produced from one glucose molecule in glycolysis, the Krebs cycle, and the electron transport chain?

A

A: 10 NADH molecules

34
Q

Q: The final product of aerobic respiration, after oxygen accepts electrons, is __________.

A

A: Water (H2O)

35
Q

Starting material of Acetyl-CoA Production?

A

2 pyruvate

36
Q

Products of Acetyl CoA Production

A

-2 NADH
- 2 CO2
-2 Acetyl-CoA

37
Q

Acetyl-CoA is a ______ in the citric acid cycle

A

reactant

38
Q

There is no starting or ending point to a _______ cycle

A

metabolic

39
Q

Starting material in krebs cycle?

A

2 Acetyl-CoA

40
Q

Products of Krebs Cycle

A

-6 NADH
-2 FADH2
-4CO2

41
Q

Krebs cycle takes place in?

A

mitochondria

42
Q

Is oxygen required in krebs cycle?

A

yes

43
Q

The chain of components enables extensive _____- production

A

ATP

44
Q

Starting Material for Electron Transport Chain (ETC)

A

-10 NADH (maximum)
-2 FADH2

45
Q

Products of ETC

A
  • each NADh –> ~3 ATP
    -each FADH2 —> ~2 ATP
    -Total 34 ATP
46
Q

ETC takes place in?

A

mitochondria

47
Q

Is oxygen required for ETC?

A

yes

Cell Mol: Exam 3 (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions