Brock Biology of Microorganisms (14th Edition)
14th Edition
ISBN: 9780321897398
Author: Michael T. Madigan, John M. Martinko, Kelly S. Bender, Daniel H. Buckley, David A. Stahl, Thomas Brock
Publisher: PEARSON
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Textbook Question
Chapter 13.1, Problem 1MQ
- What is the fundamental difference between an oxygenic and an anoxygenic phototroph?
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Chapter 13 Solutions
Brock Biology of Microorganisms (14th Edition)
Ch. 13.1 - What is the fundamental difference between an...Ch. 13.1 - Prob. 2MQCh. 13.1 - Why can phototrophic green bacteria grow at light...Ch. 13.2 - In which phototrophs are carotenoids found?...Ch. 13.2 - How does the structure of a phycobilin compare...Ch. 13.2 - Phycocyanin is blue-green. What color of light...Ch. 13.3 - What parallels exist in the processes of...Ch. 13.3 - What is reverse electron flow and why is it...Ch. 13.3 - Prob. 3MQCh. 13.4 - Differentiate between cyclic and noncyclic...
Ch. 13.4 - What is the key role of light energy in the...Ch. 13.4 - What evidence is there that anoxygenic and...Ch. 13.5 - Prob. 1MQCh. 13.5 - How much NADPH and ATP is required to make one...Ch. 13.5 - Contrast autotrophy in the following phototrophs:...Ch. 13.6 - Prob. 1MQCh. 13.6 - Prob. 2MQCh. 13.7 - What enzyme is required for hydrogen bacteria to...Ch. 13.7 - Why is reverse electron flow unnecessary in H2...Ch. 13.8 - Prob. 1MQCh. 13.8 - In terms of intermediates, how does the Sox system...Ch. 13.9 - Prob. 1MQCh. 13.9 - What is the function of rusticyanin and where is...Ch. 13.9 - How can Fe2+ be oxidized under anoxic conditions?Ch. 13.10 - Prob. 1MQCh. 13.10 - Prob. 2MQCh. 13.10 - Prob. 3MQCh. 13.11 - Prob. 1MQCh. 13.11 - Why is acetate formation in fermentation...Ch. 13.12 - How can homo- and heterofermentative metabolism be...Ch. 13.12 - Butanediol production leads to greater ethanol...Ch. 13.13 - Compare the mechanisms for energy conservation in...Ch. 13.13 - What type of substrates are fermented by...Ch. 13.13 - What are the substrates for the Clostridium...Ch. 13.14 - Why does Propionigenium modestum require sodium...Ch. 13.14 - Of what benefit is the organism Oxalobacter to...Ch. 13.14 - Prob. 3MQCh. 13.15 - Give an example of interspecies H2 transfer. Why...Ch. 13.15 - Why can a pure culture of Syntrophomonas grow on...Ch. 13.16 - How does aerobic respiration differ from anaerobic...Ch. 13.16 - Prob. 2MQCh. 13.17 - For Escherichia coli, why is more energy released...Ch. 13.17 - How do the products of NO3 reduction differ...Ch. 13.17 - Where is the dissimilative nitrate reductase found...Ch. 13.18 - How is SO42 converted to SO32 during dissimilative...Ch. 13.18 - Contrast the growth of Desulfovibrio on H2 versus...Ch. 13.18 - Give an example of sulfur disproportionation.Ch. 13.19 - Prob. 1MQCh. 13.19 - Prob. 2MQCh. 13.19 - Prob. 3MQCh. 13.20 - Which coenzymes function as C1 carriers in...Ch. 13.20 - In methanogens growing on H2 + CO2, how is carbon...Ch. 13.20 - How is ATP made in methanogenesis when the...Ch. 13.21 - Prob. 1MQCh. 13.21 - What is reductive dechlorination and why is it...Ch. 13.21 - How does anaerobic glucose catabolism differ in...Ch. 13.22 - How do monooxygenases differ in function from...Ch. 13.22 - What is the final product of catabolism of a...Ch. 13.22 - Prob. 3MQCh. 13.23 - When using CH4 as electron donor, why is...Ch. 13.23 - Prob. 2MQCh. 13.23 - In which two ways does the ribulose monophosphate...Ch. 13.24 - Prob. 1MQCh. 13.24 - How is hexane oxygenated during anoxic catabolism?Ch. 13.24 - Prob. 3MQCh. 13 - Prob. 1RQCh. 13 - Prob. 2RQCh. 13 - What accessory pigments are present in...Ch. 13 - Prob. 4RQCh. 13 - Prob. 5RQCh. 13 - Prob. 6RQCh. 13 - REVIEW QUESTIONS
7. What two enzymes are unique to...Ch. 13 - Prob. 8RQCh. 13 - Prob. 9RQCh. 13 - QWhich inorganic electron donors are used by the...Ch. 13 - Prob. 11RQCh. 13 - Define the term substrate-level phosphorylation:...Ch. 13 - Prob. 13RQCh. 13 - Prob. 14RQCh. 13 - Prob. 15RQCh. 13 - Prob. 16RQCh. 13 - Prob. 17RQCh. 13 - Prob. 18RQCh. 13 - Compare and contrast acetogens with methanogens in...Ch. 13 - Compare and contrast ferric iron reduction with...Ch. 13 - How do monooxygenases differ from dioxygenases in...Ch. 13 - Prob. 22RQCh. 13 - Prob. 23RQCh. 13 - Prob. 1AQCh. 13 - The growth rate of the phototrophic purple...Ch. 13 - Prob. 3AQCh. 13 - A fatty acid such as butyrate cannot be fermented...Ch. 13 - When methane is made from CO2 (plus H2) or from...
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- There are three types of photosynthetic pigments. Name and describe each pigment.arrow_forwardWhat is the difference between photosystem 700 and photosystem 680?arrow_forwardWhich statement among A-C is false regarding photoheterotrophs? A) O they can convert sunlıght to chemical energy in the form of ATPS B) O they are unlike other phototrophs in that they cannot fix carbon dioxide ) O they must obtain their carbon from organic compounds D) Onone of A-C is falsearrow_forward
- There are two photosystems ( I and II) involved in the light-dependent reactions of photosynthesis. What is the functional difference between these two photosystems?arrow_forward1) When a leaf on an oak tree absorbs 15,440 photons, how many glyceraldehyde-3-phosphate molecules can be produced by the Calvin cycle? b)When a leaf on an oak tree absorbs 15,440 photons, how many glyceraldehyde-3-phosphate molecules can be produced by the Calvin cycle?arrow_forward43) Which of the following is false? A) C3, C4, and CAM plants use the light dependent reactions to harvest energy from the sun and light independent reactions to turn that energy into sugar. B) C3 plants use photorespiration (as opposed to the Calvin Cycle) when CO2 is low ) C4 plants utilize a specialized carbon fixation enzyme and a unique cell structure to reduce the problems of photorespiration D) CẢM plants perform all of the steps of photosynthesis at night to avoid e photorespirationarrow_forward
- 1. A) For the schematic of a chloroplast shown in the image attached, match the major input and output molecules of photosynthesis to the letters shown. Molecules: CO2, H2O, O2, sugar A: B: C: D: B) In the image attached, the light reactions are shown to take place in the thylakoid. Where specifically do these reactions take place? C) Where does the Calvin cycle take place?arrow_forwardH218O is added to a suspension of chloroplasts capable of photosynthesis.Where does the label appear when the suspension is exposed to sunlight?arrow_forwardIn chloroplasts, the light reactions power the creation of ATP via chemiosmosis. In relation to this process, which of the following is true? a) ATP synthase breaks ATP down into ADP, creating energy to fuel chemiosmosis. b) Oxygen is used as a source of electrons to replace those lost in photosystem II. c) Chemiosmosis during the light reactions is also used in the reduction of NADPH and FADH2. d) As excited electrons fall back down to a lower energy state, they create a proton gradient that is used to fuel the phosphorylation of ADP.arrow_forward
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