Microbiology with Diseases by Body System (4th Edition)
4th Edition
ISBN: 9780321918550
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Chapter 5, Problem 13CT
Scientists estimate that up to one-third of Earth’s biomass is composed of methanogenic prokaryotes in ocean sediments (Science 295: 2067-2070). Describe the
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Chapter 5 Solutions
Microbiology with Diseases by Body System (4th Edition)
Ch. 5 - How can oxidation take place in an anaerobic...Ch. 5 - Why do electrons carried by NADH allow for...Ch. 5 - Why does catabolism of amino acids for energy...Ch. 5 - An uninformed student describes the Calvin-Benson...Ch. 5 - Prob. 5TMWCh. 5 - Why is feedback inhibition necessary for...Ch. 5 - Breaks a large molecule into smaller ones a....Ch. 5 - Includes dehydration synthesis reactions a....Ch. 5 - Prob. 3MCCh. 5 - Prob. 4MC
Ch. 5 - Involves the production of cell membrane...Ch. 5 - Includes hydrolytic reactions a. anabolism only b....Ch. 5 - Includes metabolism a. anabolism only b. both...Ch. 5 - Prob. 8MCCh. 5 - A reduced molecule _________. a. has gained...Ch. 5 - Prob. 10MCCh. 5 - Coenzymes are ________. a. types of apoenzymes b....Ch. 5 - Which of the following statements best describes...Ch. 5 - Which of the following does not affect the...Ch. 5 - Most oxidation reactions in bacteria involve the...Ch. 5 - Under ideal conditions, the fermentation of one...Ch. 5 - Under ideal conditions, the complete aerobic...Ch. 5 - Which of the following statements about the...Ch. 5 - Reactions involved in the light-independent...Ch. 5 - The glycolysis pathway is basically __________. a....Ch. 5 - A major difference between anaerobic respiration...Ch. 5 - 1. _______ Occurs when energy from a compound...Ch. 5 - Fill in the Blanks 1. The final electron acceptor...Ch. 5 - Fill in the Blanks 2. Two ATP molecules are used...Ch. 5 - Fill in the Blanks 3. The initial catabolism of...Ch. 5 - Fill in the Blanks 4. ________ is a cyclic series...Ch. 5 - Fill in the Blanks 5. The final electron acceptor...Ch. 5 - Fill in the Blanks 6. Three common inorganic...Ch. 5 - Fill in the Blanks 7. Anaerobic respiration...Ch. 5 - Fill in the Blanks 8. Complete the following...Ch. 5 - Prob. 9FIBCh. 5 - Fill in the Blanks 10 The main coenzymes that...Ch. 5 - VISUALIZE IT! 1 Label the mitochondrion to...Ch. 5 - Label the diagram below to indicate acetyl-CoA,...Ch. 5 - Examine the biosynthetic pathway for the...Ch. 5 - Prob. 1SACh. 5 - Why we enzymes necessary for anabolic reactions to...Ch. 5 - How do organisms control the rate of metabolic...Ch. 5 - How does a nor-competitive inhibitor at a single...Ch. 5 - Explain the mechanism of negative feedback with...Ch. 5 - Facultative anaerobes can live under either...Ch. 5 - How does oxidation of a molecule occur without...Ch. 5 - List at least four groups of microorganisms that...Ch. 5 - Why do we breathe oxygen and give of carbon...Ch. 5 - Why do cyanobacteria and algae take in carbon...Ch. 5 - What happens to the carbon atoms in sugar...Ch. 5 - How do yeast cells make alcohol and cause bread to...Ch. 5 - Where specifically does the most significant...Ch. 5 - Why are vitamins essential metabolic factors for...Ch. 5 - A laboratory scientist notices that a cer1ain...Ch. 5 - Arsenic is a poison that exists in two states in...Ch. 5 - Explain why an excess of all three of the amino...Ch. 5 - Why might an organism that uses glycolysis and the...Ch. 5 - Describe how bacterial fermentation causes milk to...Ch. 5 - Giardia intestinalis and Entamoeba histolytica are...Ch. 5 - Two cultures of a facultative anaerobe are grown...Ch. 5 - What is the maximum number of molecules of ATP...Ch. 5 - In terms of its effects on human metabolism, why...Ch. 5 - Cyanide is a potent poison because it irreversibly...Ch. 5 - How are photophosphorylation and oxidative...Ch. 5 - Members of the pathogenic bacterial genus...Ch. 5 - Compare and contrast aerobic respiration,...Ch. 5 - Scientists estimate that up to one-third of Earths...Ch. 5 - A young student was troubled by the idea that a...Ch. 5 - If a bacterium uses beta-oxidation to catabolize a...Ch. 5 - Some desert rodents rarely have water to drink....Ch. 5 - Prob. 17CTCh. 5 - We have examined the total ATP, NADH, and FADH2...Ch. 5 - Explain why hyperthermophiles do not cause disease...Ch. 5 - In addition to extremes in temperature and pH,...Ch. 5 - Figure 5.18b illustrates events in aerobic...Ch. 5 - Suppose you could insert a tiny pH probe into the...Ch. 5 - Even though Pseudomonas aeruginosa and...Ch. 5 - Photosynthetic organisms are rarely pathogenic....Ch. 5 - Prob. 25CTCh. 5 - A scientist moves a green plant grown in sunlight...Ch. 5 - What class of enzyme is involved in amination...Ch. 5 - Using the following terms, fill in the following...
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- During times of low oxygen level, many organisms perform fermentation. Who do these organisms need to perform fermentation, the answer is NOT because there is no oxygen.I told you that.arrow_forwardWhy is oxygen required for ATP generation by the electron transport chain and oxidative phosphorylation? a) Oxygen is needed for glycolysis b) Oxygen is the electron donor for the electron transport chain producing CO2 c) Oxygen helps proteins fold better d) Oxygen is needed to made water and produce protons for the electron transport chain e) Oxygen is the ultimate electron acceptorarrow_forwardWhich of the following statements is false regarding the electron donors in prokaryotic metabolism? A) O The use of organic compounds as electron donors is known as chemo-organotrophy. B) OLithotrophy refers to the use of inorganic molecules as electron sources. C) O Photolysis of water provides electrons to phototrophic organisms such as cyanobacteria. D) O Electrons can be obtained from inorganic chemicals such as H2S. E) O Oxygen can serve as an electron donor.arrow_forward
- Bacteroides is the predominant genus of bacteria found in the human gut microbiota. As anaerobic bacteria, Bacteroides undergo fermentation in the gut, converting otherwise nondigestible carbohydrates into fermentation products that are used by the host for energy. Which of the following toxins would be most likely to disrupt carbohydrate metabolism in Bacteroides species? * a toxin that inhibits the function of ATP synthase a toxin that prevents the formation of Krebs cycle products a toxin that inhibits the function of an enzyme during glycolysis a toxin that breaks down the membrane proteins of the electron transport chainarrow_forwardAnabolic reactions may be characterized as O 1) producing NADPH. O 2) exergonic. 3) breaking large molecules into smaller molecules. O 4) producing FADH. 5) forming large molecules from smaller precursors.arrow_forward22- Which of these statements is false regarding metabolism in general? a) oxidation can be defined as a loss of electrons b) during photosynthesis, hydrogen atoms are transferred from sugar to O2 c) potential energy is the sum of kinetic energy and heat energy d) autotrophs such as Cyanobacteria and Algae are able to produce their own organic molecules 23-Among these statements about unicellular organisms, either prokaryotes or eukaryotes, which one is true? a) Gram stain is used to categorize Gram + and Gram - in Archaebacteria b) no fungal Protist is parasitic c) Protozoa are related to Animals in their mode of nutrition d) Euglena have a cell wall made up of peptidoglycans 24-Which of these events does not take place in a thylakoid? a) reduction of a certain coenzyme b) ATP production c) release of a sugar molecule d) oxidation of chlorophyll 25-Which of these statements about the factors that influence enzyme activity is true? a) pepsin is a gastric enzyme. Its…arrow_forward
- Which of these statements is/are TRUE? A) In general, species that can grow at higher temperatures are prokaryotic. B) The most thermophilic prokaryotes are species of Archaea. C) Chemoorganotrophic organisms are able to grow at higher temperatures than phototrophic organisms. D) All of the statements are true.arrow_forwardList the pathways used by microbes to fix CO2, noting the types of organisms (eukaryotes, bacteria, archaea) that use each pathwayarrow_forwardE. coli cells require organic compounds, such as glucose as its carbon and energy source, and prefer to live in an fully oxygenated environment. Which of the following is the most accurate way to describe E. coli based on its trophic properties? O Chemolithoautotroph Phototroph Anaerobic bacterium O Chemoorganoheterotropharrow_forward
- Regarding bacteria that utilize respiration as a way to catabolize a complex carbon (food) source, which of A-D is true? A) O require the use of an electron transport chain B) O are generally considered heterotrophs C) O do not necessarily have to use oxygen as a terminal electron acceptor D) O do not fix carbon dioxide E) OA-D are all truearrow_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_forwardClostridium perfringens bacteria, which can survive and grow on frostbitten human tissues, but only in the complete absence of oxygen gas, are properly categorized as: anaerobic autotrophs facultative autotrophs anaerobic heterotrophs aerobic heterotrophs aerobic autotrophsarrow_forward
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