Microbiology Fundamentals: A Clinical Approach
3rd Edition
ISBN: 9781259709227
Author: Marjorie Kelly Cowan Professor, Heidi Smith
Publisher: McGraw-Hill Education
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Chapter 22, Problem 5Q
Why do you think microbes are so adept at breaking down sewage and wastewater?
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Which of the following is not true about biofilms
a) are caused by many Gram positive and Gram negative bacteria as well as algae and fungi
b) are highly contagious
c) are hard to treat due to impermeability to drugs
Which of the following methods of control kills the microbe?
a) incineration
Ob) desiccation
Oc) freezing
O d) refrigeration
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Which of the following regarding controlling microbial growth is true?
a) Microbial death rate increases with an increase in temperature
b) The more microbes present, the shorter amount of time it will take to kill the
population
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c) Gram-positive bacteria tend to be more resistant to chemicals than gram-
negative bacteria
d) Microbial death rate increases as pH approaches 7 (neutral)
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Chapter 22 Solutions
Microbiology Fundamentals: A Clinical Approach
Ch. 22.1 - Draw your own representation or logo depicting how...Ch. 22.2 - Provide a definition for zoonosis.Ch. 22.2 - Discuss the effects of deforestation and...Ch. 22.3 - Differentiate between coliforms and E. coli.Ch. 22.3 - Prob. 5AYPCh. 22.3 - Prob. 1MMCh. 22.3 - Q. What further precautions can vulnerable people...Ch. 22.4 - Define biological oxygen demand.Ch. 22.4 - Prob. 7AYPCh. 22.4 - Prob. 8AYP
Ch. 22 - Prob. 1QCh. 22 - In Malaysia, a form of malaria that was previously...Ch. 22 - Prob. 3QCh. 22 - Prob. 4QCh. 22 - Why do you think microbes are so adept at breaking...Ch. 22 - Prob. 6QCh. 22 - Contaminated water has a. lower biological oxygen...Ch. 22 - Why do microbes exist that are capable of cleaning...Ch. 22 - Prob. 9QCh. 22 - Prob. 10QCh. 22 - Prob. 11QCh. 22 - With what you have learned about increasingly...Ch. 22 - Prob. 13QCh. 22 - Explain how a warming climate is likely to impact...Ch. 22 - Conduct research to find out where the...Ch. 22 - Prob. 16QCh. 22 - Prob. 17QCh. 22 - Zika virus infection in adults may be asymptomatic...Ch. 22 - Prob. 19QCh. 22 - Prob. 20QCh. 22 - Prob. 21QCh. 22 - Prob. 1VC
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- What are all the descriptive terms used for microbes that live in different environments or the terms used for the environments that they live in? What does each term mean? In what types of environments are each microbial group found?arrow_forwardWhy canal/pond water supports growth and development of microbes?arrow_forwardcan you Explain in 1000 words, the role of sewage treatment in hospitals?arrow_forward
- Which environment has many microorganisms and which has few?arrow_forwardFiltration to remove protozoa occurs in: Question 5 options: A) anaerobic sludge digestion. B) primary sewage treatment. C) secondary sewage treatment. D) water treatment.arrow_forwardIn order to assimilate nitrogen or sulfur, A microbe must first convert it into an oxidized form A microbe must first convert it into a reduced form A microbe must first fix it from a gaseous form A microbe must first neutralize itarrow_forward
- Because elemental poisons, such as heavy metals, cannot be furtherdegraded even by microbes, what is a possible fate of these metals?arrow_forwardWhich of the following is correct about biofilms? O 1) They are comprised only of psychrophiles. O 2) They are more sensitive to changes in growth conditions than planktonic cells O 3) Quorum sensing allows the biofilm community to behave differently than planktonic organisms 4) Biofilms only form within the environment. 5) Pure cultures are necessary for biofilm formation.arrow_forwardWhy have scientists developed numerous methods to classify microorganisms?arrow_forward
- What do the adjectives obligate and facultative mean with regard to microbes?arrow_forwardIn microbiology, the term growth in a culture usually refers to an increase in O 1) the number and size of microbial cells. O 2) the amount of ATP consumed. O 3) a microbe's size. O 4) the number of microbial cells. 5) the amount of ATP produced.arrow_forwardMicrobes are found mostly in topsoil, but some are found miles deep in bedrock. Nutritionally, how do deeply buried microbes survive?arrow_forward
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