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 24CT
Photosynthetic organisms are rarely pathogenic. Why?
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You have discovered a cyanobacterium with only photosystem I (it has no photosystem II). This bacterium is unable to fix CO2. How does this microorganism make ATP and reducing power?
Why does the boundary layer surrounding a photosynthetic organism make it more difficult to exchange CO2 and O2?
Unlike the cyanobacteria, the anoxygenic photosynthetic bacteria do not produce O2 . Why not?
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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- Carbon dioxide is required for which of the following processes in photosynthesis? a) the Calvin cycle b) the splitting of water c) the absorption of water d) the production of ATP e) the light reactionarrow_forward34) During photosynthesis, electron transfer follows which sequence? A) sun -> chlorophyll -> electron transport chain -> ATP i vo B) water -> NADPH -> chlorophyll -> electron transport chain -> chlorophyll C) water -> chlorophyll -> electron transport chain -> chlorophyll -> NADPH Jen D) sugar -> electron transport chain -> oxygen -> ATParrow_forwardYou have discovered a cyanobacterium with only photosystem I (it has no photosystem II).This bacterium is unable to fix CO2. Explain thoroughly how you think this microorganismmakes ATP and reducing power?arrow_forward
- The common name for species like Anabena is blue-green algae. This group of bacteria are capable of photosynthesizing. Do they contain chloroplasts? Explain.arrow_forwardPhotosynthesis and cellular respiration both utilize free energy to generate ATP. What process is common to both photosynthesis and cellular respiration? a) Electron transport chain b) Calvin Cycle c) Citric Acid Cycle d) Photophosphorylationarrow_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_forward
- There are three types of photosynthetic pigments. Name and describe each pigment.arrow_forwardWhere in respiration is the most ATP produced? Group of answer choices a)electron transport chain b)Calvin cycle c)Krebs cycle d)glycolysis e)pyruvate oxidationarrow_forwardWhich of the following is not a reaction that cells use to get energy from nutrients? a)photosynthesis b)glycolysis c) krebs cycle d) fermentation e) cellular respirationarrow_forward
- The energy of sunlight is captured and used to energize electrons, which are then stored in the covalent bonds of sugar molecules. This describes a). Carbon fixation b). Reduction c). The Calvin Cycle d). Photosystems II and I e). Photosynthesisarrow_forward35) The splitting of water and the generation of oxygen occur where? A) Photosystem I B) The Krebs Cycle C) The Calvin Cycle D) Photosystem II 36) What is the main goal of the Light Dependent Reactiono of ul A) Tarrow_forward46) The synthesis of sugar molecules through the process of photosynthesis requires energy absorbed from sunlight. Bearing this in mind, what kind of reaction is photosynthesis? A) Exergonic B) Feedback C) Endergonic D) Catabolic ubixoib noduso mott eagie alqmz eelqorolrdo or lo obixoib moduo olon ess to make ing t earrow_forward
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