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7 Jun 2019

What molecules are the necessary initial reactants for the electron transport chain?

NAD+ and FAD
NADH and FADH2
ADP and Pi
H+ and O2
Acetyl CoA and oxaloacetate

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Elin Hessel
Elin HesselLv2
8 Jun 2019

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Related questions

___ 25- The Krebs cycle begins with the union of acetyl CoA with oxaloacetate forming citrate, allowing oxidative decarboxylation reactions to occur, and ends with the conversion of malate to oxaloacetate. Using this information and your knowledge of the Krebs cycle, how many net carbons does the citric acid cycle gain?
A) 0 carbons
B) 1 carbon
C) 2 carbons
D) 4 carbons
___ 26- Directly from the Krebs cycle we can obtain:
A) ATP
B) GTP and NADPH
C) ATP and NADPH
D) ATP, GTP, and NADPH
___ 27- Which of the following is not an intermediary of the Krebs cycle?
A) oxaloacetate
B) citrate
C) succinyl CoA
D) acetyl CoA
___ 28- How many di nucleotides are reduced by four turns of the Krebs cycle?
A) 1 FADH2 and 4 NADH
B) 2 FADH2 and 8 NADH
C) 4 FADH2 and 12 NADH
D) 1 FAD and 4 NAD +

Which of the following is not a net product of the citric acid cycle for each molecule of pyruvate generated in glycolysis?

Select one:

a. 1 ATP (GTP)

b. 1 acetyl coA

c. 3 NADH

d. 1 FADH2

Question 2

Which of the following is NOT an end product for an acetyl group that enters the citric acid cycle?

Select one:

a. ATP

b. NADH

c. FADH2

d. oxaloacetate

Question 3

Once they have been processed through the citric acid cycle, the acetyl-CoA molecules from a single glucose molecule produce:

Select one:

a. 2 ATP, 6 NADH, 4 CO2.

b. 6 NADH, 6 GTP.

c. 6 FADH2, 2 ATP, 6 CO2.

d. 6 GTP, 6 FADH2.

e. 4 CO2, 6 FADH2, 2 ATP.

Question 4

The products of the citric acid cycle breaking down 2 acetyl-CoA include 2 ATP (converted from GTP), 6 NADH and 2 FADH2.

Select one:

True

False

During beta oxidation there are several chemical reactions that occur. Select all of the correct answers. Select all of the correct answers.

a) 1 NAD is reduced to 1 NADH for each pair of carbon atoms that are split off of the fatty acid chain.

b) ATP is generated from the reaction.

c) Two molecules of Acetyl CoA is added to the fatty acid.

d) 1 FAD is reduced to 1 FADH2 for each pair of carbon atoms that are split off from the fatty acid chain.

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