CAMP.BIO:CONC...MOD.MAST+PRINT>I<
10th Edition
ISBN: 9780136858287
Author: Taylor
Publisher: INTER PEAR
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Chapter 32, Problem 3TYK
Summary Introduction
Introduction:
The bacteria help in providing nitrogen to the plant through various ways such as fixing the nitrogen to the soil from the atmosphere, by many
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State the colony shape, margin, and elevation of the nutrient agar colony exposed in :
A. Nutrient agar in Soil
B. Nutrient agar in Water
C. Nutrient agar in Plant leaves
D. Nutrient agar in Air
Which of the following processes is described in the reaction shown in the picture?
a.denitrification
b.nitrification
c.nitrogen fixation
d.assimilation
Methods of Bioremediation does not include
Select one:
a. Bioaugmentation
b. Phytoremediation
c. Biostimulation
d. Reverse osmosis
Chapter 32 Solutions
CAMP.BIO:CONC...MOD.MAST+PRINT>I<
Ch. 32 - Fill in the blanks in this concept map to help you...Ch. 32 - Prob. 2TYKCh. 32 - Prob. 3TYKCh. 32 - By trapping insects, carnivorous plants obtain...Ch. 32 - Prob. 5TYKCh. 32 - Prob. 6TYKCh. 32 - Prob. 7TYKCh. 32 - Prob. 8TYKCh. 32 - Prob. 9TYKCh. 32 - Acid rain contains an excess of hydrogen ions...
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- Denitrification is which of the following? a. Organisms like algae, cyanobacteria and plants are capable of using light energy which is trapped by chlorophyll, to convert carbon dioxide and water into oxygen and glucose b. The first step in the synthesis of virtually all nitrogenous compounds c. The decomposers - certain soil bacteria and fungi e.g. ammonifying bacteria - break down proteins in dead organisms and animal wastes, releasing ammonium ions d. Nitrates are reduced to nitrogen gas by denitrifying bacteria e. Aerobic respiration requires oxygenarrow_forwardSoil microorganisms, collectively referred to as dizotrophs, fix 90% of the inert nitrogen gas to ammonium and nitrate. There are two-main types of nitrogen-fixing bacteria: free-living (nonsymbiotic) and mutualistic (symbiotic). Describe the mutualistic relationship between Rhizobium and legumes. What is the advantage of using legumes as a cover crop in agricultural systems? A point of interest is that the nitrogenase enzyme complex is highly sensitive to oxygen. This is a major problem for free-living aerobic species such as cyanobacteria and species of the genera Azotobacter and Beiigrinckia. Describe two ways the bacteria can overcome to levels of oxygen in their cells.arrow_forwardRhizobium and Azotobacter are examples of nitrogen-fixing soil bacteria that are classified as a. chemolithotrophs. b. chemoorganotrophs. c. photoautotrophs. d. photoheterotrophs.arrow_forward
- 1. Which of the following is most likely to result in "immobilization"? A. Assimilation B. Ammonification C. Sulfur oxidation D. Mineralization E . Denitrification 2. What metabolic type in the carbon cycle would most likely benefit from living in the presence of a starch-digesting microbe in an anaerobic environment? A Sugar fermenter: B. Methanogen C. Carbon fixer D. Methane oxidizer E CO reducer 3. Which two of the following choices are the goals of pasteurization? A Kill all spoilage microbes B. Sterilize C. Kill all pathogens D. Reduce spollage microbes E. Reduce pathogen numbersarrow_forwardWhich one of the following is a Biomass Material is obtained from the solid Muncipal waste? a. Plastic b. Paper c. Iron d. Magnetic Clear my choicearrow_forwardChemoheterotrophic decomposers are called A. Saprobes B. Commensals C. Parasites D. Politiciansarrow_forward
- In New York, farmers typically have a 3 year crop rotation of corn – soybeans – green manure. A) explain one reason crop rotation is important in farming B) explain what green manure is and why a grower would use it as part of their rotation schedulearrow_forwardWhich of the following statements DOES NOT describe nitrogen fixing bacteria? A. Can be found only as a symbiotes associated with the root nodules of legumes. B. Maybe be present in soil. C. Converts atmospheric nitrogen to organic nitrogen. D. Composed of many species of bacteria.arrow_forwardWhich reaction is carried out by nitrification bacteria? Select one: a. nitrate to nitrite b. nitrogen to ammonium C. ammonium to ammonia d. nitrate to nitrogenarrow_forward
- Is oxygen a requirement for the growth of all organisms? Describe the following in terms of oxygen need.arrow_forwardNitrogen and phosphorus added to beaches following an oil spill encourages the growth of natural oil degrading bacteria. Explain why the bacteria do not grow if nitrogen and phosphorus are not added?arrow_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_forward
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