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Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332

Solutions

Chapter
Section
BuyFindarrow_forward

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332
Chapter 19, Problem 3CT
Textbook Problem
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How did the evolution of oxygen-releasing photosynthesis in cyanobacteria increase the likelihood that mitochondria would one day evolve?

Summary Introduction

To explain: The evolution of oxygen-releasing photosynthesis in cyanobacteria increases the likelihood that mitochondria would one day evolve.

Concept introduction: Cyanobacteria also known as blue green algae obtain their energy through the process of photosynthesis. They are the only prokaryotes that have the ability to produce oxygen by the photosynthesis process. Cyanobacteria produce oxygen and thought to have converted the early oxygen-poor atmosphere into an oxidizing one, causing great oxygenation and changes in the composition of earth life forms.

Explanation of Solution

The evolution of the oxygen-releasing pathway in cyanobacteria by the photosynthesis process results in the oxygenation of the Earth’s atmosphere and water. The oxygen rise in the atmosphere favored the organisms that could detoxify the oxygen or can be used it in aerobic respiration process...

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