Campbell Biology in Focus, Books a la Carte Edition; Modified Mastering Biology with Pearson eText - ValuePack Access Card - for Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780134433769
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman
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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. Which of the following prokaryotic kingdoms is characterized by the absence of a nucleus, the absence of histone proteins, the presence of fatty acids ester-linked to glycerol in their G-3-P cell membrane, and the presence of enzymes for constructing a peptidoglycan cell wall?
kingdom Archaeobacteria
kingdom Animalia
kingdom Fungi
kingdom Plantae
kingdom Eubacteria
Which of the following can prokaryotes not do? (a) communicate with each other about environmental conditions (b) reproduce sexually (c) live in extreme environments, including high salt, high temperature, and high atmospheric pressure (d) share DNA with other prokaryotes (e) double in population size two or more times an hour
. The endosymbiotic hypothesis for the origin of mitochondria from gram-negative prokaryotes is supported by all of the following lines of evidence except:
A. the presence of enzymes for the Krebs cycle, electron transport, and oxidative phosphorylation
the presence of mRNA, tRNA, and rRNA similar to that of the a-proteobacteria
the presence of 80s ribosomes, consisting of 40s and 60s ribosomal subunits
the presence of circular DNA resembling that of aerobic proteobacteria
their use of binary fission rather than mitosis during cell division
Chapter 24 Solutions
Campbell Biology in Focus, Books a la Carte Edition; Modified Mastering Biology with Pearson eText - ValuePack Access Card - for 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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- Q5arrow_forwardQ 26 plzarrow_forwardDifferentiate the three domains of life. Archaea Bacteria Eukarya Presence of cell wall (+/-) Presence of cell membrane (+/-) Presence of mitochondria (/-) Presence of chloroplast (/-) Presence of peptidoglycan (+/-) Presence of capsules (+/-) Type of cell membrane linkage on lipids Type of cell membrane side chain of lipids Types of cell membrane lipids Give 2 examplesarrow_forward
- Which is not a characteristic of the Domain Eubacteria? * 70s ribosomes one origin of DNA replication transcription occurs in the nucleus ester linked cell membrane lipids Which is not a characteristic of the Domain Archaea? * 70s ribosomes O ester linked peptidoglycan lipid histones present several RNA polymerase unitsarrow_forwardWHAT IF? What evolutionary processes might accountfor prokaryotes having smaller genomes than eukaryotes?arrow_forwardTopic: Prokaryotes + Bioremediation ○ What are extremophiles and how are they being used for bioremediation? Audience: What science background does your audience have? Final Potential Driving Question or Debate 1: Final Potential Driving Question or Debate 2: Why should the audience care about this topic? How does each of the driving questions or debates impact the lives of the audience? List the specific scientific terms and concepts that you will need to define for your audience. How will you ensure that your story is scientifically accurate? List at least 2 specific references/sources you will use for your script. How will you ensure that your story is fair in the ideas it represents? What do you hope that the audience remembers from your podcast?arrow_forward
- What 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_forwardPlease answer fastarrow_forwardBacteria are by far the most numerous organisms on earth. Some estimates indicate that the total biomass of bacteria is larger than that of all plants and animals, despite their tiny size. However, biologists' knowledge of bacteria is very uneven. In some ways, biologists know more about certain bacteria than we do about most animals, including humans. In other ways, biologists still know very little about bacteria and the Bacteria Kingdom. For example, there might be about a million species of bacteria, or there could be billions of different species. Think about benefits and complications related to the biological study and knowledge of bacteria. What are some ways in which bacteria are very well-known and/or easy to study? What are some ways in which bacteria are very poorly-known and/or difficult to study (other than the total number of species). Discuss how this relates to technology, other developments in biological research, and/or characteristics of the bacteria…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_forwardIn comparing bacteria, archaea, and eukaryotes, which statement below among A - D is false? A) O the members of two of these three groups comprise cells that lack a nuclear membrane B) O archaea and eukaryotes share some similarities in the componeents of gene expression C) O having diverse types of metabolism is a feature of the members of archaea and bacteria D) Oa cytoplasmic membrane is a feature shared by all the cells in these three groups E) OA-E are all truearrow_forward
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