
Concept explainers
a.
To determine: The bacterial group from which a chloroplast is likely to evolve.
Introduction: The two basic types of cells are eukaryotic and prokaryotic cells. Bacteria and archaea are considered as prokaryotes in terms of lacking membrane-bound organelles, internal membranous structures, and the cytoskeleton.
b.
To define: The term “metagenomics”.
Introduction: Prokaryotes have evolved approximately 3.5 billion years ago and extensively adapted to various structural and
To determine: The way by which metagenomics contributes to the prokaryotic phylogeny.
Introduction: The study of genetic materials recovered directly from the environmental samples is called metagenomics.

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Chapter 27 Solutions
Study Guide for Campbell Biology
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