Brock Biology of Microorganisms (14th Edition)
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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Chapter 13.2, Problem 1MQ
  • In which phototrophs are carotenoids found? Phycobiliproteins?
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You aim to test the hypothesis that the Tbx4 and Tbx5 genes inhibit each other's expression during limb development. With access to chicken embryos and viruses capable of overexpressing Tbx4 and Tbx5, describe an experiment to investigate whether these genes suppress each other's expression in the limb buds. What results would you expect if they do repress each other? What results would you expect if they do not repress each other?
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Chapter 13 Solutions

Brock Biology of Microorganisms (14th Edition)

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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