Prescott's Microbiology
11th Edition
ISBN: 9781260211887
Author: WILLEY, Sandman, Wood
Publisher: McGraw Hill
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Chapter 11.12, Problem 6CC
Summary Introduction
Phototrophy can be defined as the ability of a microorganism to capture light and use the captured light to synthesize ATP and make reducing power. Phototrophy can be classified into three types, oxygenic, anoxygenic, and rhodopsin-based phototrophy. The reducing power and the ATP work together to reduce and fix carbon dioxide by a process called photosynthesis.
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Chapter 11 Solutions
Prescott's Microbiology
Ch. 11.1 - Prob. 1CCCh. 11.1 - Retrieve, Infer, Apply Compare...Ch. 11.1 - Retrieve, Infer, Apply What are the three major...Ch. 11.2 - Is NAD+ reduced to NADH in the catabolic or...Ch. 11.2 - Prob. 1CCCh. 11.2 - Why is it to a cells advantage to catabolize...Ch. 11.2 - Prob. 3CCCh. 11.4 - Which reactions are examples of substrate-level...Ch. 11.4 - For what kinds of reactions is NADPH used?Ch. 11.4 - For what macromolecule is ribose 5-phosphate a...
Ch. 11.4 - Summarize the major features of the...Ch. 11.4 - Prob. 2CCCh. 11.5 - Identify the substrate and products of the TCA...Ch. 11.5 - What chemical intermediate links pyruvate to the...Ch. 11.5 - Prob. 3CCCh. 11.5 - Retrieve, Infer, Apply In what eukaryotic...Ch. 11.5 - Why is it desirable for a microbe with the...Ch. 11.6 - Prob. 1MICh. 11.6 - Prob. 2MICh. 11.6 - Describe the current model of oxidative...Ch. 11.6 - Prob. 3CCCh. 11.6 - Prob. 4CCCh. 11.7 - Prob. 1CCCh. 11.7 - Prob. 2CCCh. 11.7 - Prob. 3CCCh. 11.8 - Prob. 1MICh. 11.8 - Prob. 1CCCh. 11.8 - Prob. 2CCCh. 11.8 - Prob. 3CCCh. 11.8 - Prob. 4CCCh. 11.8 - Prob. 5CCCh. 11.9 - What is the difference between a hydrolase and...Ch. 11.9 - Prob. 2MICh. 11.9 - Retrieve, Infer, Apply Briefly discuss the ways in...Ch. 11.9 - Prob. 2CCCh. 11.9 - Retrieve, Infer, Apply Describe how a...Ch. 11.11 - How do chemolithotrophs obtain their ATP and...Ch. 11.11 - Prob. 2CCCh. 11.11 - Why can hydrogen-oxidizing bacteria and archaea...Ch. 11.11 - What is reverse electron flow and why do many...Ch. 11.11 - Prob. 5CCCh. 11.12 - When electrons from P700 are used to reduce NADP+,...Ch. 11.12 - Define the following terms: light reactions, dark...Ch. 11.12 - Prob. 2CCCh. 11.12 - What is the function of accessory pigments?Ch. 11.12 - Prob. 4CCCh. 11.12 - Compare and contrast anoxygenic phototrophy and...Ch. 11.12 - Prob. 6CCCh. 11 - Prob. 1RCCh. 11 - Prob. 2RCCh. 11 - Prob. 3RCCh. 11 - Prob. 4RCCh. 11 - Prob. 5RCCh. 11 - Prob. 6RCCh. 11 - How would you isolate a thermophilic...Ch. 11 - Certain chemicals block ATP synthesis by allowing...Ch. 11 - Prob. 3ALCh. 11 - Review the description of the Berkeley Pit Lake in...Ch. 11 - Prob. 5AL
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- Why, then, is there such a diversity of photosynthetic organisms?arrow_forwardSuppose that a prokaryotic organism that contains both chlorophyll a and chlorophyll b has been discovered. Comment on the evolutionary implications of such a discovery.arrow_forwardWhy didn't photosynthesis progress earlier in the Archaean?arrow_forward
- A researcher illuminated a filament of cyanobacteria with light that passed through a prism, thus exposing different segments of cyanobacteria to different wavelengths of light. He found that all the bacteria in his sample could grow and reproduce in any of the wavelengths of light, but their colors changed throughout the experiment. What can you conclude about this cyanobacteria sample? O More chlorophyll a was produced in response to the light exposure. O The cyanobacteria were dying and were changing color in response. O The cyanobacteria have various photosynthetic pigments to absorb light. O More green photosynthetic pigment was produced to absorb light.arrow_forwardThe endosymbiotic hypothesis for the origin of chloroplasts from gram-negative prokaryotes is supported by all of the following lines of evidence except: the presence of enzymes for the light-dependent and the dark reactions of photosynthesis the presence of circular DNA resembling that of photosynthetic eubacteria the presence of mRNA, tRNA, and rRNA similar to that of the cyanobacteria their use of mitosis rather than binary fission during cell division the presence of 70s ribosomes, consisting of 30s and 50s ribosomal subunitsarrow_forwardEvolution of what biological process is hypothesized to have been made possible by the appearance of chlorophyll in the mesozones of a prokaryote cell? A) self-replicating molecules B) multi-cellularity C) glycolysis D) photosynthesis E) none of these.arrow_forward
- When do bacteria form endospores? a-When environmental conditions are unfavourable b-When they want to carry out photosynthesis c-When they want to reproduce through binary fission d-When they want to reproduce through conjugationarrow_forwardMost ecosystems on Earth rely on sunlight as the primary energy source for the synthesis of organic compounds that living organisms need. Sunlight does not penetrate deep enough in the ocean to provide energy for organisms living near hydrothermal vents. How can these densely populated communities survive without energy from the sun? A. chemoheterotrophic bacteria convert organic compounds into carbon dioxide which is used by other organisms as an energy source B. chemoautotrophic bacteria harvest chemical energy from hydrogen sulfide and then provide the basis of food for the vent communities C. chemoheterotrophic bacteria harvest chemical energy from hydrogen sulfide and then provide the basis of food for the vent communities D. chemoautotrophic bacteria fix nitrogen which then is used as a source of energy for other organismsarrow_forwardThe Kingdom Protista is initially divided into two groups based on whether the organism in question is capable of photosynthesis.arrow_forward
- Give typing answer with explanation and conclusion If an organism is considered “halophilic”, that literally means it is a “salt lover”. Such an organism would be found in extremely salty environments. What group would most likely possess a halophile? archaebacteria sarcodina brown algae bryophytesarrow_forwardHow does the process of photosynthesis in archaea different from the protein synthesis of bacteria?arrow_forwardAccording to this tree, taxa capable of photosynthesis form what kind of phylogenetic group? EM17 Aquifex POPS66 Thermotoga ] C Thermus O monophyletic O polyphyletic O paraphyletic 207 Chloroflexus POPS19 Arthrobacter OCT Heliobacterium Bacillus Clostridium Leptonema Chlorobium Chlamydia .... Gloeobacter Synechococcus chloroplast Desulfovibrio Escherichia Rhodocyclus mitochondiron L 7 capable of photosynthesis tv 2 Acidobacteria Agrobacterium Planctomyces Flexibacter Flavobacterium لكا لها لماarrow_forward
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