Campbell Biology (11th Edition)
11th Edition
ISBN: 9780134093413
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Textbook Question
Chapter 27.4, Problem 1CC
Explain how molecular systematics and metagenomics have contributed to our understanding of the phylogeny and evolution of prokaryotes.
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How have molecular data informed prokaryotic phylogeny?
What do the multiple branching points at the root of the eukaryotic phylogenetic tree indicate about the evolution of eukaryotes?
A. that unikonts are derived from the SAR clade
B. that Archaeplastids were the first eukaryotes
C. that fungi are more closely related to plants than animals
D. that eukaryotes are all descended from a common ancestor
Present two hypotheses for the origin of the eukaryoticcell.
Chapter 27 Solutions
Campbell Biology (11th Edition)
Ch. 27.1 - Describe two adaptations that enable prokaryotes...Ch. 27.1 - Contrast the cellular and DNA structures of...Ch. 27.1 - Prob. 3CCCh. 27.2 - Although rare on a per gene basis, new mutations...Ch. 27.2 - Distinguish between the three mechanisms by which...Ch. 27.2 - In a rapidly changing environment, which bacterial...Ch. 27.2 - WHAT IF? If a nonpathogenic bacterium were to...Ch. 27.3 - Distinguish between the four major modes of...Ch. 27.3 - A bacterium requires only the amino acid...Ch. 27.3 - WHAT IF? Describe what you might eat for a...
Ch. 27.4 - Explain how molecular systematics and metagenomics...Ch. 27.4 - WHAT IF What would the discovery of a bacterial...Ch. 27.5 - Explain how prokaryotes, though small, can be...Ch. 27.5 - MAKE CONNECTIONS Review Figure 10.6. Then...Ch. 27.6 - Identify at least two ways that prokaryotes have...Ch. 27.6 - Prob. 2CCCh. 27.6 - Prob. 3CCCh. 27 - Describe features of prokaryotes that enable them...Ch. 27 - Mutations are rare and prokaryotes reproduce...Ch. 27 - Describe the range of prokaryotic metabolic...Ch. 27 - How have molecular data informed prokaryotic...Ch. 27 - In what ways are prokaryotes key to the survivaI...Ch. 27 - Prob. 27.6CRCh. 27 - Genetic variation in bacterial populations cannot...Ch. 27 - Photoautotrophs use (A) light as an energy source...Ch. 27 - Which of the following statements is not true? (A)...Ch. 27 - Prob. 4TYUCh. 27 - Prob. 5TYUCh. 27 - Prob. 6TYUCh. 27 - Prob. 7TYUCh. 27 - SCIENTIFIC INQUIRY INTERPRET THE DATA The...Ch. 27 - WRITE ABOUT A THEME: ENERGY In a short essay...Ch. 27 - SYNTHESIZE YOUR KNOWLEDGE Explain how the small...
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- Describe some of the hypotheses on the origin of life and the characteristics of early prokaryotes, eukaryotes, and multicellular organisms.arrow_forwardExplain how horizontal gene transfer complicates ourunderstanding of evolutionary relationships among bacteriaand archaeons.arrow_forwardDescribe the process we use to infer the phylogenetic relationships of a set of living organisms.arrow_forward
- Although reconstructing the history of life in this manner may seem almost impossible, phylogenetic research has been extraordinarily successful. How has this difficult task been accomplished?arrow_forwardFor the E.coli. bacteria (prokaryotic species) and humans (eukaryotic species), show photos of their location in the phylogenetic tree, and their clade.arrow_forwardBeyond the Biological sciences, can other disciplines utilize the methods of phylogenetic systematics? please explainarrow_forward
- Examine the following phylogenetic tree illustrated in Figure shown in the picture. In general, what does a phylogenetic tree illustrate? How do you compare the relationships of organisms BB, CC, and DD?arrow_forwardSummarize the role of endosymbiosis in eukaryoticevolution.arrow_forwardOutline the basics of eukaryotic taxonomy.arrow_forward
- Briefly describe one specific example of how phylogenetic analysis has been used to control or treat an infectious disease.arrow_forwardDescribe the purposes of classification and taxonomy in the studyof prokaryotes.arrow_forwardThe TATA-binding protein (TBP) is thought to be necessary for transcription in all eukaryotic cell nuclei. Studies show that archaea, but not bacteria,have a protein structurally and functionally similar to TBP. What does this similarity suggest regarding the evolution of archaea, bacteria, and eukaryotes? How might knowledge of this similarity affect how systematists classify these organisms?arrow_forward
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8C - How to do genetic analysis; Author: Useful Genetics;https://www.youtube.com/watch?v=HIa7nPyGn4s;License: CC-BY