Microbiology with Diseases by Taxonomy (5th Edition)
5th Edition
ISBN: 9780134019192
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Chapter 26, Problem 14MC
Summary Introduction
Introduction:
Nitrification is the process in which ammonium is converted into nitrate by the action of microbes. First ammonium (NH4+) is oxidized to nitrite (NO2-) which is then oxidized again to form nitrate (NO3-). “Autotrophic bacteria” such as Nitrosomonas and Nitrobacter, are responsible for this conversion. These bacteria are mostly found in soil.
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Chapter 26 Solutions
Microbiology with Diseases by Taxonomy (5th Edition)
Ch. 26 - Prob. 1MCCh. 26 - Prob. 2MCCh. 26 - Prob. 3MCCh. 26 - Prob. 4MCCh. 26 - Prob. 5MCCh. 26 - Prob. 6MCCh. 26 - Which of the following is added during water or...Ch. 26 - Prob. 8MCCh. 26 - Prob. 9MCCh. 26 - Prob. 10MC
Ch. 26 - In the environment, nutrients are generally...Ch. 26 - Most chemical elements exist in the environment as...Ch. 26 - In the carbon cycle, microbes convert _______. a....Ch. 26 - Prob. 14MCCh. 26 - In aquatic environments, most microbial life is...Ch. 26 - Prob. 16MCCh. 26 - Of the following characteristics, which would...Ch. 26 - Anammox reactions are _______. a. anaerobic and...Ch. 26 - Prob. 19MCCh. 26 - Prob. 20MCCh. 26 - Match each term with its correct definition. 1. __...Ch. 26 - Prob. 1TFCh. 26 - Prob. 2TFCh. 26 - Prob. 3TFCh. 26 - __ Methane is a gas produced by microbial...Ch. 26 - Prob. 5TFCh. 26 - __ Recalcitrant molecules can be degraded by...Ch. 26 - __ Biofilms of microorganisms form in aquatic...Ch. 26 - __ Cooperation is common among microorganisms...Ch. 26 - ______ Aquatic microorganisms are more prevalent...Ch. 26 - _______ Abyssal organisms are found near shores of...Ch. 26 - Prob. 1FIBCh. 26 - Prob. 2FIBCh. 26 - Prob. 3FIBCh. 26 - Prob. 4FIBCh. 26 - Leaching of compounds from mine tailings often...Ch. 26 - Biogeochemical cycling involves three primary...Ch. 26 - Nitrogen exists primarily as ______ in the...Ch. 26 - Prob. 8FIBCh. 26 - A _________ is a device composed of microbes and...Ch. 26 - Prob. 10FIBCh. 26 - Label the general phases in the carbon cycle.Ch. 26 - Label the processes of the nitrogen cycle.Ch. 26 - Why does the application of recombinant DNA...Ch. 26 - Given what you know about microbial nutrition and...Ch. 26 - Compare the types of alternative fuels that could...Ch. 26 - Prob. 4CTCh. 26 - Even though water and wastewater undergo...Ch. 26 - Take a critical look at the garbage in all of your...Ch. 26 - Prob. 7CTCh. 26 - Prob. 8CTCh. 26 - Explain why sake- sometimes called rice wine-would...Ch. 26 - Inexpensive bulk wines and wines that have been...Ch. 26 - Prob. 11CTCh. 26 - Prob. 12CTCh. 26 - Prob. 13CTCh. 26 - Explain how biosensors might be used for water...Ch. 26 - Prob. 15CTCh. 26 - Using the following terms, fill in the following...Ch. 26 - Even though microbes are naturally present in raw...Ch. 26 - Prob. 2TMWCh. 26 - A blogger stated that germs (microorganisms) are...Ch. 26 - Compare human, animal, and plant pathogens that...
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- What is the proper term for an organism whose optimum growth range is between 20 and 50C but can grow well at refrigerator temperatures? a. psychrophile b. psychrotroph c. hypophiles d. psychrobotarrow_forward4. Most human pathogens are ______ with regard to temperature range of tolerance for optimum growth. * A. thermophiles B. mesophiles C. psychrophiles D. xerophiles 5. Which adaptations are developed by thermophiles to withstand extremely high temperature? Check all that apply. * ( ) high proportion of unsaturated fatty acids in the cell membrane ( ) high cytosine-guanine nitrogenous bases ( ) more saturated fatty acids in cytoplasmic membrane ( ) heat-stable enzymes 6. Which microbial group has relatively low moisture requirement for cell metabolism and growth? * A. actinomycetes B. fungi C. bacteria D. protozoa 7. How much oxygen gas (O2) must be present in a microenvironment for the microaerophilic microorganisms to grow at optimum? * A. 21% oxygen gas (1 atmosphere) B. completely absent C. minimal amount D. abundance or absence of O2 does not matter 8. Which microbial group can't survive in the presence of oxygen gas (O2)? * A. obligate aerobes B. facultative…arrow_forwardAll of the following are cofactors of SOD (superoxide dismutase) EXCEPT? A. Zinc B. Maganese C. Calcium D. Copperarrow_forward
- An acidophile would grow best at a pH of: A.6 b.2 c.12 d.7 e 9arrow_forwardSome bacteria can fix... gas for plants ... الجوابarrow_forwardThese are enzymes that can sustain in a high hydrostatic pressure. * (Please choose one correct answer only) A. Piezohiles B. Halophiles C. Acidophiles D. Alkaliphiles E. Thermophilesarrow_forward
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- Potato Dextrose agar (PDA), used for the enumeration of molds and yeasts, is selective because it: O A. None of the answers are correct O B. Contains lithium chloride O C. All of the answers are correct O D. Contains potato infusion and dextrose E. Has a pH that was lowered to pH 3.00 by the addition of concentrated HCIarrow_forwardNumber 7 and 8 onlyarrow_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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