Cellular Respiration

Question 1 of 20

1

Which molecule in this reaction is oxidized?

Select one of the following:

Glucose
Oxygen
Carbon dioxide
Water

Explanation

Question 2 of 20

1

In this reaction, electrons are transferred directly from glucose to oxygen.

Select one of the following:

True
False

Explanation

Question 3 of 20

1

In this series of reactions, NAD+ is oxidized.

Select one of the following:

True
False

Explanation

Question 4 of 20

1

In aerobic respiration, what is the ultimate fate of the electrons NADH is carrying?

Select one of the following:

They are transferred to oxygen.
They are transferred to glucose.
They are transferred to water.
They are transferred to ATP.

Explanation

Question 5 of 20

1

The letter 'A' in this diagram represents glycolysis.

Select one of the following:

True
False

Explanation

Question 6 of 20

1

The letter 'C' could represent oxygen gas.

Select one of the following:

True
False

Explanation

Question 7 of 20

1

The process that links 'A' and 'B' produces NADH and carbon dioxide.

Select one of the following:

True
False

Explanation

Question 8 of 20

1

Process 'A' involves oxidation-reduction reactions, but process 'B' does not.

Select one of the following:

True
False

Explanation

Question 9 of 20

1

The molecule represented by the letter 'D' is most likely carbon dioxide.

Select one of the following:

True
False

Explanation

Question 10 of 20

1

The letter 'E' could represent NADH and FADH2.

Select one of the following:

True
False

Explanation

Question 11 of 20

1

In the process labeled 'F', ATP is synthesized by substrate-level phosphorylation.

Select one of the following:

True
False

Explanation

Question 12 of 20

1

If the thick yellow line in this image represents the mitochondrial membranes, what do 1 and 2 represent?

Select one of the following:

1 is oxygen and 2 is ATP.
1 is oxygen and 2 is NADH.
1 is carbon dioxide and 2 is ATP.
1 is carbon dioxide and 2 is NADH.

Explanation

Question 13 of 20

1

The substance labeled 'A' is most likely an electron.

Select one of the following:

True
False

Explanation

Question 14 of 20

1

The region labeled 'C' is the intermembrane space in the mitochondrion.

Select one of the following:

True
False

Explanation

Question 15 of 20

1

'A' represents an electron transport chain.

Select one of the following:

True
False

Explanation

Question 16 of 20

1

A phosphorylation reaction occurs at 'C'.

Select one of the following:

True
False

Explanation

Question 17 of 20

1

'E' most likely represents NADH.

Select one of the following:

True
False

Explanation

Question 18 of 20

1

'F' represents the ultimate electron donor in aerobic respiration.

Select one of the following:

True
False

Explanation

Question 19 of 20

1

Cellular Respiration

Question 1 of 20

Which molecule in this reaction is oxidized?

Select one of the following:

Explanation

Question 2 of 20

In this reaction, electrons are transferred directly from glucose to oxygen.

Select one of the following:

Explanation

Question 3 of 20

In this series of reactions, NAD+ is oxidized.

Select one of the following:

Explanation

Question 4 of 20

In aerobic respiration, what is the ultimate fate of the electrons NADH is carrying?

Select one of the following:

Explanation

Question 5 of 20

The letter 'A' in this diagram represents glycolysis.

Select one of the following:

Explanation

Question 6 of 20

The letter 'C' could represent oxygen gas.

Select one of the following:

Explanation

Question 7 of 20

The process that links 'A' and 'B' produces NADH and carbon dioxide.

Select one of the following:

Explanation

Question 8 of 20

Process 'A' involves oxidation-reduction reactions, but process 'B' does not.

Select one of the following:

Explanation

Question 9 of 20

The molecule represented by the letter 'D' is most likely carbon dioxide.

Select one of the following:

Explanation

Question 10 of 20

The letter 'E' could represent NADH and FADH2.

Select one of the following:

Explanation

Question 11 of 20

In the process labeled 'F', ATP is synthesized by substrate-level phosphorylation.

Select one of the following:

Explanation

Question 12 of 20

If the thick yellow line in this image represents the mitochondrial membranes, what do 1 and 2 represent?

Select one of the following:

Explanation

Question 13 of 20

The substance labeled 'A' is most likely an electron.

Select one of the following:

Explanation

Question 14 of 20

The region labeled 'C' is the intermembrane space in the mitochondrion.

Select one of the following:

Explanation

Question 15 of 20

'A' represents an electron transport chain.

Select one of the following:

Explanation

Question 16 of 20

A phosphorylation reaction occurs at 'C'.

Select one of the following:

Explanation

Question 17 of 20

'E' most likely represents NADH.

Select one of the following:

Explanation

Question 18 of 20

'F' represents the ultimate electron donor in aerobic respiration.

Select one of the following:

Explanation

Question 19 of 20

In the absence of oxygen, organisms will break down pyruvate into carbon dioxide and alcohol or lactic acid. These pathways allow for

Select one of the following:

Explanation

Question 20 of 20

The ATP generated by glycolysis is produced by

Select one of the following: