LIFE:SCIENCE OF BIOL.(LL) >CUSTOM<
LIFE:SCIENCE OF BIOL.(LL) >CUSTOM<
11th Edition
ISBN: 9781319209957
Author: Sadava
Publisher: MAC HIGHER
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Chapter 26.1, Problem 3R
Summary Introduction

To review:

The reason as to why the ribosomal ribonucleic acid (rRNA) genes of chloroplast, nucleus, and mitochondria are not closely related in corn.

Given:

Gene tree showing the evolutionary relationship among rRNA gene sequences from nuclear genomes of human, corn, prokaryotic Archaean, a proteobacterium, cyanobacterium, mitochondrial, and chloroplast genomes.

LIFE:SCIENCE OF BIOL.(LL) >CUSTOM<, Chapter 26.1, Problem 3R

Introduction:

According to the endosymbiotic theory, certain cellular organelles such as mitochondria and chloroplasts are descendants of prokaryotic cells engulfed by an ancestor eukaryote. These bacteria-resisted digestion became part of the modern eukaryotic cell and performed vital functions of the cell such as oxidative phosphorylation and photosynthesis.

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