Brock Biology of Microorganisms (15th Edition)
15th Edition
ISBN: 9780134261928
Author: Michael T. Madigan, Kelly S. Bender, Daniel H. Buckley, W. Matthew Sattley, David A. Stahl
Publisher: PEARSON
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Chapter 19.10, Problem 1MQ
- What is the simplest explanation for why lunar sulfides are isotopically similar to those of the primordial Earth?
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Chapter 19 Solutions
Brock Biology of Microorganisms (15th Edition)
Ch. 19.1 - Describe the enrichment strategy behind...Ch. 19.1 - Why is sulfate (So42) added to a Winogradsky...Ch. 19.1 - What is enrichment bias? How does dilution reduce...Ch. 19.1 - Why do the results of a direct enrichment of an...Ch. 19.2 - What is a pure culture and why is obtaining one...Ch. 19.2 - How does the agar dilution method differ from...Ch. 19.2 - What criteria serve to demonstrate that a culture...Ch. 19.3 - How might you isolate a morphologically unique...Ch. 19.3 - What is meant by high-throughput in culturing...Ch. 19.3 - What feature of high-throughput culturing relieves...
Ch. 19.4 - How does viability staining differ from stains...Ch. 19.4 - What types of environments limit the application...Ch. 19.4 - Why is it incorrect to say that the GFP is a...Ch. 19.4 - Prob. 1CRCh. 19.5 - What structure in the cell is the target for...Ch. 19.5 - FISH and CARD-FISH can be used to reveal different...Ch. 19.5 - Why is CARD-FISH more suitable than FISH for...Ch. 19.6 - What could you conclude from PCR/DGGE analysis of...Ch. 19.6 - What surprising finding has come out of many...Ch. 19.6 - How has next-generation sequencing technology...Ch. 19.6 - QWhich method, ARISA or T-RFLP, would provide more...Ch. 19.7 - Prob. 1MQCh. 19.7 - What are the advantages and disadvantages of...Ch. 19.7 - Why might a microarray be superior to using...Ch. 19.8 - Prob. 1MQCh. 19.8 - How do environmental genomic approaches differ...Ch. 19.8 - Prob. 3MQCh. 19.8 - Prob. 1CRCh. 19.9 - Prob. 1MQCh. 19.9 - If a large pulse of organic matter entered the...Ch. 19.9 - Q What are the major advantages of radioisotopic...Ch. 19.10 - What is the simplest explanation for why lunar...Ch. 19.10 - What is the expected isotopic composition of...Ch. 19.10 - How might exchange of metabolites among members of...Ch. 19.10 - Will autotrophic organisms contain more or less...Ch. 19.11 - How could NanoSIMS be used to identify a...Ch. 19.11 - Prob. 2MQCh. 19.11 - How does MAR-FISH link microbial diversity and...Ch. 19.11 - Q What can MAR-FISH tell you that FISH alone...Ch. 19.12 - How can stable isotope probing reveal the identity...Ch. 19.12 - What key method is required to do genomics on a...Ch. 19.12 - Prob. 3MQCh. 19.12 - How would you use cytometric cell sorting to...Ch. 19 - Design an experiment for measuring the activity of...Ch. 19 - You wish to know whether Archaea exist in a lake...Ch. 19 - Design an experiment to solve the following...Ch. 19 - Design a SIP experiment that would allow you to...
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- What characteristics of carbon make possible the existence of so many different organic compounds?arrow_forwardMany radioactive isotopes are used in medicine for imaging and treatment purposes. The specific isotopes used depends on the particular organ or body system being studied (for example, Xe-133 is used to image lung function and blood flow.) Technetium-99m is a common radioactive isotope using for a variety of medical applications. It is produced from the decay of Molybdenum-99 and has a half-life of 6.01 hours. What are some of the applications of Tc-99m? While harder to access, another radioactive isotope of technetium, Tc-93, has a half-life of 2.73 hours. If it were easier to harvest, would this be a good substitute for Tc-99m? (remember to explain why for full credit) While Tc-99m has a half-life of 6.01 hours, its decay product has a half-life of 213,000 years. While the medical community considers it to be reasonably safe, within the limits of testing, does this make sense considering both chemical and biological principles? What are possible ways that you might deal with or…arrow_forwardSome scientists have speculated that life forms elsewhere in the universe could be based on silicon, rather than carbon. What properties does silicon share with carbon that makes this more likely than say aluminum-based life or neon-based life?arrow_forward
- Why is inclusion of methane in the gas flasks an essential part of the hypothesis that complex organic molecules were formed in the early atmosphere of Earth? (Hint: What makes a molecule organic?)arrow_forwardThe following are the six most common elements in the human body: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Each of these elements is heavier than hydrogen and helium. Explain how and where these elements formed.arrow_forwardWhat organic sulfur compound is most abundant in nature?arrow_forward
- What three things constitute the ocean (Hint: one of them is water)? Why is this fact important? How do sodium atoms and chlorine atoms combine to make the salt in the ocean?arrow_forwardAll living things must be able to make proteins, and protein molecules always contain nitrogen. Explain how the nitrogen used for making proteins in a loin's body traveled from the atmosphere to the lion. How will it be returned to the atmosphere after the lion dies?arrow_forwardI do not understand the question "What is chemically nonsensical about this structure? H-C=C-H" from the 7th Edition of Campbell Essential Biology chapter questions at the end of Chapter 2. I am not finding anything in the reading that explains this. I read the expert explanation, but I am still struggling to understand what it means.arrow_forward
- Another major use of bismuth has been as an ingredient in low-melting metal alloys, such as those used in firesprinkler systems and in typesetting. The element itself is a brittle white crystalline solid. How do these characteristicsfit with the fact that bismuth is in the same periodic group with such nonmetallic elements as nitrogenand phosphorus?arrow_forwardThe half-life of the C14 isotope is 5730 years. How many years after an animal dies will it take for the concentration of C14 to decrease to 12.5 percent (1/8th) of its original level? 716 5730 11460 17190arrow_forwardA trisaccharide was isolated from a new species of red algae. The sample was hydrolyzed and monosaccharide units were analyzed in different colorimetric tests. Based on the data below, what are the identity of monosaccharide A, B, and C? A= fructose, B=mannose, C=xylose A= xylose, B=mannose, C= fructose A = mannose, B= fructose, C=xylose A= xylose, B= fructose, C=galactose A=galactose, B= fructose, C=xylose A=xylose, B= fructose, C=mannose A= fructose, B= xylose, C=galactose A=galactose, B=xylose, C=fructosearrow_forward
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