Microbiology with Diseases by Body System (4th Edition)
4th Edition
ISBN: 9780321918550
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Textbook Question
Chapter 25, Problem 14MC
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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Nitrogen fixation is the conversion of
Select one:
a.
N2 to NH3
b.
N2 to urea
C.
N2 to N
d.
N2 to NO3
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…
All of the following are cofactors of SOD (superoxide dismutase) EXCEPT?
A. Zinc
B. Maganese
C. Calcium
D. Copper
Chapter 25 Solutions
Microbiology with Diseases by Body System (4th Edition)
Ch. 25 - Prob. 1TMWCh. 25 - Prob. 2TMWCh. 25 - Prob. 1MCCh. 25 - Prob. 2MCCh. 25 - Prob. 3MCCh. 25 - Prob. 4MCCh. 25 - Prob. 5MCCh. 25 - Strains of the bacterium Pseudomonas syringae have...Ch. 25 - Prob. 7MCCh. 25 - Prob. 8MC
Ch. 25 - Prob. 9MCCh. 25 - Prob. 19MCCh. 25 - Lyophilization in food preservation is by...Ch. 25 - Prob. 1MTFCh. 25 - Prob. 2MTFCh. 25 - Prob. 3MTFCh. 25 - Prob. 4MTFCh. 25 - Prob. 5MTFCh. 25 - Intrinsic factors affecting food spoilage are...Ch. 25 - Prob. 2FIBCh. 25 - Prob. 3FIBCh. 25 - Potable water is allowed to have ________...Ch. 25 - A ________ is a device composed of microbes and...Ch. 25 - Prob. 10FIBCh. 25 - Prob. 1MCh. 25 - Why does the application or recombinant DNA...Ch. 25 - Given what you know about microbial nutrition and...Ch. 25 - Prob. 3CTCh. 25 - Prob. 4CTCh. 25 - Even though water and wastewater undergo...Ch. 25 - Take a critical look at the garbage in all of your...Ch. 25 - Prob. 7CTCh. 25 - Explain why sakesometimes called rice winewould be...Ch. 25 - Prob. 10CTCh. 25 - Prob. 11CTCh. 25 - Suggest why neither the original food involved nor...Ch. 25 - Prob. 13CTCh. 25 - Prob. 14CTCh. 25 - Prob. 1CMCh. 25 - A blogger stated that germs (microorganisms) are...Ch. 25 - Compare human, animal, and plant pathogens that...Ch. 25 - A microbiome is composed of _____. a. single, pure...Ch. 25 - In the environment, nutrients are generally _____....Ch. 25 - Prob. 12MCCh. 25 - Prob. 13MCCh. 25 - Nitrification converts _____. a. organic nitrogen...Ch. 25 - Prob. 15MCCh. 25 - Which of the following diseases is not caused by...Ch. 25 - Of the following characteristics, which would...Ch. 25 - Anammox reactions are ____. a. anaerobic and pan...Ch. 25 - Prob. 6MTFCh. 25 - Modified True/False 1. _____ Biofilms of...Ch. 25 - Prob. 8MTFCh. 25 - Modified True/False 3. __________ Aquatic...Ch. 25 - Prob. 10MTFCh. 25 - Fill in the Blanks 1. Leaching of compounds from...Ch. 25 - Prob. 6FIBCh. 25 - Prob. 7FIBCh. 25 - Prob. 8FIBCh. 25 - Prob. 1VICh. 25 - Prob. 2VICh. 25 - Prob. 8CTCh. 25 - Microbes are found mostly in topsoil, but some are...
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