CAMPBEL BIOLOGY:CONCEPTS & CONNECTIONS
CAMPBEL BIOLOGY:CONCEPTS & CONNECTIONS
10th Edition
ISBN: 9780136538820
Author: Taylor
Publisher: INTER PEAR
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Chapter 6, Problem 1CC

Fill in the blanks in this summary map to help you review the key concepts of cellular respiration.

Chapter 6, Problem 1CC, Fill in the blanks in this summary map to help you review the key concepts of cellular respiration.

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Summary Introduction

To complete: The concept map to summarize the key concepts of cellular respiration.

Introduction:

The process of breathing and cellular respiration are closely associated. By breathing, an individual takes oxygen into the lungs and passes it to the blood. The blood carries the oxygen to cells where cellular respiration is carried out. Cellular respiration generates energy that is utilized for various cellular activities. There are several steps in cellular respiration; it includes glycolysis, pyruvate oxidation and citric acid cycle, and oxidative phosphorylation.

Answer to Problem 1CC

Fig. 1 shows the completed concept map of cellular respiration.

Pictorial representation: The Fig. 1 shows the vital concepts in cellular respiration.

CAMPBEL BIOLOGY:CONCEPTS & CONNECTIONS, Chapter 6, Problem 1CC

Fig.1: Concepts map of cellular respiration.

Explanation of Solution

 (a)

Correct answer: Glycolysis

Explanation:

Glycolysis is the first step of cellular respiration which occurs in the cytoplasm of the cell. The glycolysis process results in a breakdown of one glucose molecule into a three-carbon compound called pyruvate.

Hence, the correct answer is glycolysis.

(b)

Correct answer: Pyruvate oxidation and citric acid cycle

Explanation:

Pyruvate oxidation and the citric acid cycle are the second stage of the cellular respiration which takes place in the mitochondria. Here, pyruvate is oxidized into a two-carbon compound called acetyl Co-A.  The citric acid cycle then completes the breakdown of glucose to carbon dioxide.

Hence, the correct answer is pyruvate oxidation and citric acid cycle.

(c)

Correct answer: Oxidative phosphorylation

Explanation:

Oxidative phosphorylation is the third stage of the cellular respiration. This involves electron transport and chemiosmosis. Oxidative phosphorylation is responsible for most of the ATP formation during the process of cellular respiration.

Hence, the correct answer is oxidative phosphorylation.

(d)

Correct answer: Oxygen

Explanation: Cellular respiration requires oxygen to trap the electrons in an electron transport chain. This helps in the generation of ATP by oxidative phosphorylation.

Hence, the correct answer is oxygen.

(e)

Correct answer: Electron transport chain

Explanation:

Electron transport chain is a series of an arranged molecular system in the mitochondrial cristae that passes the electrons to generate a proton potential across the inner mitochondrial membrane. This is required for oxidative phosphorylation and chemiosmosis.

Hence, the correct answer is electron transport chain.

(f)

Correct answer: CO2

Explanation:

Cellular respiration oxidizes the glucose and the organic fuels into carbon dioxide (CO2) and water molecules (H2O).

Hence, the correct answer is CO2.

(g)

Correct answer: H2O

Explanation:

Cellular respiration oxidizes the glucose and the organic fuels into carbon dioxide (CO2) and water molecules (H2O).

Hence, the correct answer is H2O.

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Students have asked these similar questions
Consider an overview of the process of respiration. It occurs in the subcellular organelle Its input is the electron carrier and the 3-carbon molecule from glucose by the process called 2 which is produced in the cytoplasm
Cellular respiration is a very challenging topic to learn. Instead of asking you many detailed questions about the process, I would rather you show me that you understand the big picture. Why is it necessary for all organisms to do cellular respiration? It doesn't matter if you are a top tier consumer like you and I or a simple decomposing yeast, all organisms must do some sort of cellular respiration. You can answer this by describing the overall purpose and outcome of cellular respiration. You are not required to get into minute details. I DELL
For each of the statements below, indicate whether they are true or false and then in detail explain why the false statements are incorrect, making reference to the relevant cell processes and/or molecules. A. In cellular respiration the ETC transfers electrons via redox reactions whereas in photosynthesis the ETC transfers electrons using light. B. In cellular respiration the ETC creates a proton gradient with the higher concentration on the outer side of the inner membrane whereas in photosynthesis the ETC creates a proton gradient with the higher concentration on the inner side of the thylakoid membrane. C. In cellular respiration the ETC gradient is used to power ATP production by oxidative phosphorylation whereas in photosynthesis the ETC gradient is used to power ATP production by substrate level phosphorylation.
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