Microbiology

Learn the toughest concepts covered in Microbiology with step-by-step video tutorials and practice problems by world-class tutors.

12. Microbial Metabolism

Introduction to Aerobic Cellular Respiration

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concept

Introduction to Aerobic Cellular Respiration

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Aerobic Cellular Respiration is a Redox Reaction

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Problem

Which one of the following molecules is a by-product of cellular respiration?

a) Water.

b) Glucose.

c) Pyruvate.

d) Oxygen.

e) ADP.

4
Problem

Which of the summary statements below describes the results of the following reaction?

C6H12O6 + 6 O2 → 6 H2O + Energy


a) C6H12O6 is oxidized and O2 is reduced.

b) O2 is oxidized and H2O is reduced.

c) CO2 is reduced and O2 is oxidized.

d) O2 is reduced and CO2 is oxidized.

5

concept

Stages of Aerobic Cellular Respiration

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Remembering Stages of Aerobic Cellular Respiration

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example

Introduction to Aerobic Cellular Respiration Example 1

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Map of the Lesson on Cellular Respiration

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example

Introduction to Aerobic Cellular Respiration Example 2

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Problem

Based on the map of cellular respiration, why do we need to breathe in oxygen?

a) Oxygen is the final electron acceptor for lactic acid fermentation.

b) Oxygen is the final electron acceptor for alcohol fermentation.

c) Oxygen is the final electron acceptor for aerobic cellular respiration.

d) Oxygen is not important for the purposes of cellular respiration.