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Campbell Biology: Concepts & Connections (8th Edition)
8th Edition
ISBN: 9780321885326
Author: Jane B. Reece, Martha R. Taylor, Eric J. Simon, Jean L. Dickey, Kelly A. Hogan
Publisher: PEARSON
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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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Students have asked these similar questions
Which of the following organisms improves nitrogen status in legumes?
Select one:
a.
Nitrate reductase
b.
Rhizobium
c.
Glutathione
d.
Mycorrhizae
e.
Pseudomonas
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
...
Bacteria that grew in the bottom of nutrient
broth tube is:
a. Anaerobic
A
b. Flocculent
c. Pellicle
d. Sediment
Reply...
Chapter 32 Solutions
Campbell Biology: Concepts & Connections (8th Edition)
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 - Acid rain contains an excess of hydrogen ions...Ch. 32 - Prob. 10TYK
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- what process can give plants an advantage because of the presence of these bacteria undergoing the following process can provide them with nitrogen for the production of protein? A. nitrifying B. denitrifying C. ammonification D. nirtogen fixingarrow_forwardWhy does secondary treatment of wastewater require O2? A. Secondary treatment relies on anaerobic microbes to oxidize organic material. B.Secondary treatment relies on anaerobic microbes to reduce organic material. C.Secondary treatment relies on aerobic microbes to oxidize organic material. D.Photosynthetic bacteria are involved in secondary treatment and they require O2. E. Flocs require oxygen to facilitate biofilm formation.arrow_forwardMethods of Bioremediation does not include Select one: a. Bioaugmentation b. Phytoremediation c. Biostimulation d. Reverse osmosisarrow_forward
- All of the following are cofactors of SOD (superoxide dismutase) EXCEPT? A. Zinc B. Maganese C. Calcium D. Copperarrow_forwardWhichof the following is NOT an agent of nitrogen fixation?a.Mycorrhizal fungib.Cyanobacteria (blue-green algae)c.Bacteria associated with legume rootsd.Lightninge.Actinomycete bacteria associated with alder rootsarrow_forwardCamellia and azalea are plants that produce yellow leaves, which is considered an undesirable outcome, when they are grown on alkaline soil. Which of the statements below support the fact about camellia and azalea stated above? a. Loam soil is not advisable to be used in growing camellia and azalea because of its acidity. b. Camellia and azalea should not be planted in chalk soil. c. Camellia and azalea produced yellow leaves because they are planted in acidic soil. d. Camellia and azalea require chalk soil to counter the effect of the alkaline soil used.arrow_forward
- 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
- (ii) Which one of the following is non- biodegradable? A. DDT B. Vegetable peel C. Cardboard D. Bark of treesarrow_forward(a) Increasing the number of microorganisms in a composting system through inoculum addition, hastens the decomposition process; (b) The heating of the compost pile up to thermophilic levels destroys weed seeds and kills plant pathogenic microorganisms A. If statement A is true B. if statement B is true C. both statement A and B are true D. statement A nor B are truearrow_forward1. 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_forward
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