Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780321962751
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 24.5, Problem 4CC
Summary Introduction
To explain:
The reason why a sudden dramatic change in your diet affect the diversity of the prokaryotic species in your gut.
Concept introduction:
The food items contain different ingredients like carbohydrates,
lipids and proteins. The
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Chapter 24 Solutions
Campbell Biology in Focus (2nd Edition)
Ch. 24.1 - What hypothesis did Miller test in his classic...Ch. 24.1 - How would the appearance of protocells have...Ch. 24.1 - Prob. 3CCCh. 24.1 - Prob. 4CCCh. 24.2 - Contrast the cellular and DNA structures of...Ch. 24.2 - Distinguish between the four major modes of...Ch. 24.2 - Prob. 3CCCh. 24.2 - Prob. 4CCCh. 24.3 - Although rare on a per gene basis, new mutations...Ch. 24.3 - Distinguish between the three mechanisms by which...
Ch. 24.3 - In a rapidly changing environment, which bacterial...Ch. 24.3 - WHAT IF? If a nonpathogenic bacterium were to...Ch. 24.4 - Explain how molecular systematics and metagenomics...Ch. 24.4 - WHAT IF? What would the discovery of a bacterial...Ch. 24.5 - Explain how prokaryotes, though small, can be...Ch. 24.5 - Prob. 2CCCh. 24.5 - Prob. 3CCCh. 24.5 - Prob. 4CCCh. 24 - Which of the following steps has not yet been...Ch. 24 - Fossilized stromatolites A. more than 2.8 billion...Ch. 24 - Prob. 3TYUCh. 24 - Photoautotrophs use A. light as an energy source...Ch. 24 - Which of the following statements is not true? A....Ch. 24 - Prob. 6TYUCh. 24 - Plantlike photosynthesis that releases O2 occurs...Ch. 24 - SCIENTIFIC INQUIRY INTERPRET THE DATA The...Ch. 24 - FOCUS ON EVOLUTION In patients infected with...Ch. 24 - FOCUS ON ENERGY AND MATTER In a short essay (about...Ch. 24 - Prob. 11TYU
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- WHAT IF? What evolutionary processes might accountfor prokaryotes having smaller genomes than eukaryotes?arrow_forwardQ12arrow_forwardWhat are the flaws ? Prokaryotes can live in many different environments. Anerobic organisms need oxygen to survive, while aerobic organisms can survive without oxygen. Autotrophs are organisms that can assemble high energy macromolecules for their energy. Chemotrophs are organisms that capture energy from light. Extremophiles are organisms that grow in extreme conditions like boiling water. Gram-positive bacteria have few layers of peptidoglycan, while gram-negative bacteria have many layers of peptidoglycan and are surrounded by an outer membrane. Harmful bacteria can cause illness like food poisoning. Helpful bacteria can be used in food production to make yogurt. The endosymbiotic theory states that some of the organelles in eukaryotes were once free living prokaryotes. This is supported by the mitochondria and cytoplasm since they have their own DNA and ribosomes. Harmful protists can cause diseases like malaria in humans and downy mildew in plants. Helpful protists can be…arrow_forward
- . Single-celled organisms with a true nucleus, ester-linked fatty acids in their G-3-P cell membranes, and histones, but no collagen, and no cell walls composed of either chitin or cellulose, must be: members of kingdom Archaeobacteria members of kingdom Protista members of kingdom Eubacteria members of kingdom Fungi members of kingdom Animaliaarrow_forwardWhich phylogenetic model proposes that all three domains of life evolved from a pool of primitive prokaryotes? tree of life web of life ring of life network modelarrow_forwardThink about the conditions (temperature, light, pressure, and organic and inorganic materials) that you may find in a deep-sea hydrothermal vent. What type of prokaryotes, in terms of their metabolic needs (autotrophs, phototrophs, chemotrophs, etc.), would you expect to find there?arrow_forward
- 19arrow_forwardich statement best explains why a third domain, Archaea, was added to the original two domains of Bacteria and Eukarya Scientists discovered that eukaryotes are unicellular. Scientists discovered that eukaryotes have cell walls. Scientists discovered that some prokaryotes have cell walls. Scientists discovered that some prokaryotes live in extreme environments. Pause https://olapalmbea ch performancematters.com/ola/ola jsp?dientCode-fiPalmBeach# DELL escarrow_forward.Answer the following question briefly but concisely 1. What aspect of a cell's physical makeup increases gradually as it gets smaller? 2. How could Bacteria and Archaea's tiny size and haploid genome hasten their evolution? 3. How small a cell can get? Justify. 4. If a bacterial cell was enclosed in a capsule, could it do without a cell wall? Why, or why not? 5. Why can gram-negative sulfur-oxidizing chemolithotrophs store sulfur but gram-positive bacteria cannot?arrow_forward
- Q8. Which of the following statements is thought to be the underlying reason for why a typical eukaryotic cell is more complex than a typical aerobic bacterial cell? A. A eukaryotic cell has a greater plasma membrane area / cell volume ratio than a bacterium. B. A eukaryotic cell has a greater number of electron transport chains than a bacterium. C. An aerobic bacterium lacks membranes required for electron transport. D. An aerobic bacterium cannot undergo oxidative phosphorylation.arrow_forward1) Name and give a brief account of the theory that explains the evolution of Eukaryotic cells from Prokaryotic cells. 2) Explain the reactions that occur to form polysaccharides, using starch as an example. 3) What do enzymes do? What are their main structural features? Give an example of a biological enzyme. 4) Describe the structure of fats and lipids. Why are some solid at room temperature whereas others, particularly from plants, are liquid? Briefly describe the structure of an animal cell. What are the main differences between animal and plant cells? Briefly outline the steps involved in the synthesis of ATP in eukaryotic cellsarrow_forwardFossil evidence indicates that prokaryotes have been around for about 3.5 billion years, whereas the origin of eukaryotes has been dated at only about 1.5 billion years ago. Suggest why, in spite of the lesser time for evolution, eukaryotes are much more diverse (have a much larger number of species) than prokaryotes.arrow_forward
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Prokaryotic vs. Eukaryotic Cells (Updated); Author: Amoeba Sisters;https://www.youtube.com/watch?v=Pxujitlv8wc;License: Standard youtube license