Cellular Respiration and Energy Worksheet

Question 1

Which substances enter the net reaction as reactants?

1. Glucose and oxygen
2. Carbon dioxide and water
3. Oxygen and carbon dioxide
4. Water and glucose

Question 2

Explain where the carbon atoms from glucose end up in the net model.

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Question 3

How many oxygen molecules are consumed for each glucose molecule in the balanced net model?

1. 1
2. 2
3. 6
4. 12

Question 4

Explain why ATP can be discussed even though the net equation shown accounts only for the four named substances.

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Question 5

Use the net equation to calculate the number of carbon dioxide molecules produced in R.

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Question 6

Which run consumes twice as much oxygen as P?

1. P
2. Q
3. R
4. None of the runs

Question 7

A student records 20 oxygen molecules consumed in another run with four glucose molecules. Explain how the record compares with the model.

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Question 8

Which statement correctly compares oxygen consumed and carbon dioxide produced in run Q?

1. The modeled counts are equal.
2. Carbon dioxide is produced at half the oxygen count.
3. No carbon dioxide is produced.
4. Twice as many carbon dioxide molecules are produced.