Quiz about The Krebs Cycle

Question 1

The chemical from glycolysis combines with a 4 carbon molecule called what?

Accepted Answer

acetyl-coA

Answer

citric acid

Answer

pyruvate

Answer

ATP synthase

Question 2

How many turns of the Kreb's cycle does it take for one glucose molecule to go through catabolism?

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 3

How many NADH molecules are produced by a molecule of glucose through the Krebs' Cycle?

Accepted Answer

6

Answer

2

Answer

1

Answer

4

Question 4

After the Krebs Cycle only a small portion of the energy of glucose has been converted to ATP. At this point the majority of usable energy is contained in

Accepted Answer

NADH and FADH₂

Answer

Carbon Dioxide

Answer

Acetyl-CoA

Answer

Citrate

Question 5

Where in the cell does the Krebs cycle take place?

Accepted Answer

matrix of the mitochondria

Answer

cytoplasm

Answer

intermembrane space of the mitochondira

Answer

membrane of the mitochondria

Question 6

Does the Krebs cycle run in the absence of oxygen?

Accepted Answer

No

Answer

Yes

Question 7

What is the primary function of the Krebs Cycle in cellular respiration?

Accepted Answer

To generate electron carriers for the electron transport chain

Answer

To produce ATP directly

Answer

To break down glucose into pyruvate

Answer

To convert carbon dioxide into oxygen

Question 8

Which molecule is regenerated at the end of the Krebs Cycle, allowing the cycle to continue?

Accepted Answer

Oxaloacetate

Answer

Citrate

Answer

Acetyl-CoA

Answer

Fumarate

Question 9

How many molecules of ATP are produced directly per turn of the Krebs Cycle?

Accepted Answer

1

Answer

2

Answer

3

Answer

4

The Krebs Cycle

15 questions

The net yield of CO2 from Krebs is...

The net ATP yield from Krebs is...

The net NADH yield from Krebs is...

The net FADH2 from Krebs is...

The NADH and FADH2 from Krebs go into the next part of cellular respiration called the...

The chemical from glycolysis combines with a 4 carbon molecule called what?

The "regenerator" of the Krebs Cycle is:

How many turns of the Kreb's cycle does it take for one glucose molecule to go through catabolism?

How many NADH molecules are produced by a molecule of glucose through the Krebs' Cycle?

After the Krebs Cycle only a small portion of the energy of glucose has been converted to ATP. At this point the majority of usable energy is contained in

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