Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Chapter 27.5, Problem 2CC
MAKE CONNECTIONS Ø Review Figure 10.6. Then summarize the main steps by which cyanobacteria produce O2 and use CO2 to make organic compounds.
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• Draw a cyanobacteria cell.
• Label the parts of the cyanobacteria where the metabolic processes
(Glycolysis, Kreb's cycle, Electron Transport Chain,
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Cellular respiration
A yeast cell is transported from an environment with oxygen to a completely oxygen-free environment.
Which of the following answer choices best describes the metabolic changes that will occur in the yeast cell?
Choose 1 answer:
Glycolysis will still occur and pyruvate will undergo alcohol fermentation, but the Krebs cycle and
oxidative phosphorylation will not occur.
Glycolysis will not occur and pyruvate will not form, causing the yeast cell to undergo alcohol
fermentation.
Glycolysis will still occur, but pyruvate will not form, causing the yeast cell to undergo alcohol
q3 Two-component system (TCS) allows an organism in adapting to changes in the environment. It is available mostly in prokaryotes but is also available to some eukaryotes.c) Evaluate the Regulator of capsule Synthesis (Rcs) phosphorelay system of Enterobacteria
Chapter 27 Solutions
Campbell Biology
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. 27.3 - 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 - Prob. 2CCCh. 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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- VISUALIZE Draw a simple sketch illustrating the way in which aerobic bacteria are hypothesized to have become incorporated into an original prokaryotic host cell.arrow_forwardThe 02 to be utilized by the mitochondria of all eukaryote cells is produced by A) Oxidative bacteria B) photosynthesis dark phase C) The Calvin Cycle of the Cyanobacteria D) Photosynthesis light phase E) All of these are correct Explain whyarrow_forwardX e.learn.edgenuity.com/player/ - SC5181 A O The alga photosynthesizes produce sugars the fungus is able to use, while the fungus keeps the alga safe from being eaten. O The fungus serves as the substrate the alga needs to perform mitosis, while the alga produces enzymes the fungus needs for decomposition. O The fungus produces the sugars the alga uses for cellular respiration, while the alga provides a safe place for the fungus to live. O The alga offers camouflage to the fungus against herbivory, while the fungus secretes toxic substances that release nutrients from the rocks to the alga. Mark this and return A lichen is an organism that is actually made of both a fungus and an alga. These organisms live together on rocks and other hard surfaces. How does a lichen demonstrate obligate mutualism? с $ % 5 t A 6 M Oll DELL & O 7 u O 8 Save and Exit English V Next O 9 → ( ABAABE 9 0 ⠀ Kinley Heath P Submit Oct 6 3:29 D Barrow_forward
- Chapter 9 L discusses some oxygen requirement, grouped. We're going to focus on those that do not necessarily need oxygen for survival. For this part: aerotolerance, categories under which most prokaryotic organisms can be 1. What oxygen requirement, or aerotolerance, categories allow for an organism to survive in the complete absence of oxygen? Please list those oxygen requirement/aerotolerance categories where an organism doesn't necessarily need oxygen for growth. 2. Oxygen is toxic to most organisms, even you! One reason we don't see the effects of this is because most organisms are able to produce enzymes to counteract this toxicity. This is called, "detoxifying reactive oxygen species (ROS)," as discussed in Chapter 9. In order to survive in the presence of oxygen (if it can), a prokaryotic organism must be able to undergo detoxification of reactive oxygen species. For each category you listed in 1), please provide: A. the enzymes that may be lacking/missing in order to detoxify…arrow_forwardName the bacteria that fix CO2 by using chemical energy as source.arrow_forward1. make your own version of Kreb's Cycle with diagram. 2. explain why these cycles are important for the living organisms.arrow_forward
- Evolution of what biological process is hypothesized to have been made possible by the appearance of chlorophyll in the mesozones of a prokaryote cell? A) self-replicating molecules B) multi-cellularity C) glycolysis D) photosynthesis E) none of these.arrow_forwardCellular Respiration 22) Mchndrian Cytesel ATP Essile Acid 1. Glycolysis Waiet ATP ATP Oxygen The process of cellular respiration A) Occurs only in animals. B) breaks down food molecules to release stored energy. C) must occur before plants are able to carry out photosynthesis. D) is performed only by organisms that are incapable of photosynthesis.arrow_forwardState two economically important uses of:(a) heterotrophic bacteria(b) archaebacteriaarrow_forward
- A- Name 5 organisms that can carry out nitrification. B- Write the chemical reaction. C- What enzyme carries out the process? Briefly explain how it works.arrow_forwardQ1: What are the products of cellular respiration? Q2: Considering the inputs and products of each process, why is cellular respiration considered the reciprocal process to photosynthesis? Q3: Which of the three stages of cellular respiration—glycolysis, the Krebs cycle, or oxidative phosphorylation—could organisms have used 4 billion years ago, before photosynthesis by cyanobacteria released oxygen into the atmosphere?arrow_forwardExplain 5 pieces of evidence that support the endosymbiotic theory of origin to the energy organelles within Eukaryotes (i.e.mitochondria and chloroplasts).arrow_forward
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