Chapter 7

Biology: How Life Works · 8 exercises

Problem 1

Name and describe the four major stages of cellular respiration.

4 step solution

Problem 2

Explain what an oxidation-reduction reaction is and why the breakdown of glucose in the presence of oxygen to produce carbon dioxide and water is an example of an oxidation-reduction reaction.

4 step solution

Problem 3

Describe two different ways in which ATP is generated in cellular respiration.

3 step solution

Problem 4

Write the overall chemical equation for glycolysis, noting the starting and ending products and highlighting the energy-storing molecules that are produced.

4 step solution

Problem 5

Describe two different metabolic pathways that pyruvate can enter.

3 step solution

Problem 6

Name the products of the citric acid cycle.

5 step solution

Problem 7

Describe how the movement of electrons along the electron transport chain leads to the generation of a proton gradient.

5 step solution

Problem 9

Explain how muscle tissue generates ATP during short-term and long-term exercise.

4 step solution

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