Biology
Biology
12th Edition
ISBN: 9781260494570
Author: Raven, Peter
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 7, Problem 1A
Summary Introduction

Introduction:

Cellular respiration is the reaction between oxygen and nutrients that the cell uses to extract the energy required by the cell. Cellular respiration takes place in the mitochondria of the cell.

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Which of the following statements concerning the location of the metabolic pathways is correct?    a.   All reactions of the glycolysis take place in the mitochondria.   b.   All reactions of the TCA cycle take place in the mitochondria.   c.   Some reactions of the TCA cycle take place in the cytosol, and some in mitochondria.   d.   Some reactions of the glycolysis take place in the cytosol, and some in mitochondria.
Which of the following statements does NOT explain the Krebs cycle? a. It produces 6 carbon dioxide in the breakdown of a molecule of glucose. b. t produces 6 NADH from the breakdown of a molecule of glucose. c.It produces 2 ATP molecules in substrate level phosphorylation. d.It produces 2 FADH2 in the breakdown of a molecule of glucose.
Place the following steps of cellular respiration in the correct order by numbering them from 1 to 4. a. The Krebs cycle produces the energy carriers NADH, FADH2, and ATP. b. If oxygen levels are adequate, pyruvate is transported into the mitochondrion. If oxygen levels are very low, fermentation proceeds. c. Glucose is broken down to produce ATP and NADH. d. An electron transport chain produces ATP from ADP.
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