EBK MICROBIOLOGY:W/DISEASES BY BODY...-
5th Edition
ISBN: 9780134608242
Author: BAUMAN
Publisher: PEARSON
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Textbook Question
Chapter 26, Problem 6MC
Nitrification converts _____.
a. organic nitrogen to NH3
b. NH3 to NH4+
C. NH4+ or NH3 to NO3–
d. NO3– to N2
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Students have asked these similar questions
Nitrogen fixation is the conversion of
Select one:
a.
N2 to NH3
b.
N2 to urea
C.
N2 to N
d.
N2 to NO3
All of the following are cofactors of SOD (superoxide dismutase) EXCEPT?
A. Zinc
B. Maganese
C. Calcium
D. Copper
4. 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…
Chapter 26 Solutions
EBK MICROBIOLOGY:W/DISEASES BY BODY...-
Ch. 26 - A blogger stated that germs (microorganisms) are...Ch. 26 - Compare human, animal, and plant pathogens that...Ch. 26 - Bioterrorism in the Mail? Of course, John had had...Ch. 26 - A microbiome is composed of _____. a. single, pure...Ch. 26 - Prob. 2MCCh. 26 - In the environment, nutrients are generally _____....Ch. 26 - Prob. 4MCCh. 26 - Prob. 5MCCh. 26 - Nitrification converts _____. a. organic nitrogen...Ch. 26 - Prob. 7MC
Ch. 26 - Which of the following diseases is not caused by...Ch. 26 - Of the following characteristics, which would...Ch. 26 - Anammox reactions are ____. a. anaerobic and pan...Ch. 26 - Modified True/False 1. _____ Biofilms of...Ch. 26 - Prob. 2MTFCh. 26 - Modified True/False 3. __________ Aquatic...Ch. 26 - Prob. 4MTFCh. 26 - Prob. 5MTFCh. 26 - Fill in the Blanks 1. Leaching of compounds from...Ch. 26 - Prob. 2FIBCh. 26 - Prob. 3FIBCh. 26 - Prob. 4FIBCh. 26 - Prob. 5FIBCh. 26 - Prob. 1VICh. 26 - Prob. 2VICh. 26 - Prob. 1CTCh. 26 - Microbes are found mostly in topsoil, but some are...Ch. 26 - Prob. 3CTCh. 26 - Prob. 4CTCh. 26 - Prob. 5CTCh. 26 - Using the following terms, fill in the following...
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- The image here shows the growth rate for Chlamydomonas as a function of temperature. Which of the following reasons could explain why Chlamydomonas can't grow at 40°C? 10 15 20 25 30 35 40 Growth Temperature (*C) A. The rate of molecular motion is too high at 40°C to sustain life. B. The turnover time of rubisco is too fast. O C. The glycolysis enzyme hexokinase loses its tertiary structure. D. The desaturase enzyme DesA, is not expressed. Reset Selection Growth Rate (divisions/day)arrow_forwardWhat 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_forwardFigure 22.19 Which of the following statements about the nitrogen cycle is false? Nitrogen fixing bacteria exist on the root nodules of legumes and in the soil. Denitrifying bacteria convert nitrates (NO3 ) into nitrogen gas (N2). Ammonification is the process by which ammonium ion (NH4+) is released from decomposing organic compounds. Nitrification is the process by which nitrites (NO2-) are converted to ammonium ion (NH4+).arrow_forward
- 5. Soil X’s pH is measured before and after urea application, it has been noted that after the application of urea, pH decrease, which of the following processes is most likely responsible for the decrease in soil pH? A. Nitrogen fixation B. Annamox C. Nitrification D. Denitrificationarrow_forwardIn 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_forwardAn acidophile would grow best at a pH of: A.6 b.2 c.12 d.7 e 9arrow_forward
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