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Complete Test Bank Brock Biology of Microorganisms 16th Edition Madigan Question2
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Complete Test Bank Brock Biology of Microorganisms 16th Edition Madigan Question2
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Complete Test Bank Brock Biology of Microorganisms16th Edition Madigan Questions & Answers
Which of the following statements is FALSE? - ANSWER Microbial cells include
both bacteria and viruses.
Which of the following statements is correct? - ANSWER Microorganisms are
significant contributors to the total biomass on Earth.
Differential selection and reproduction of phenotypes occurs during a process called
- ANSWER evolution
In what/which domain(s) of life is/are microorganisms represented? - ANSWER
Archaea, Bacteria, and Eukarya
Biological catalysts involved in the acceleration of the rate of chemical reactions are
called - ANSWER enzymes
Regarding early life on Earth - ANSWER microbial life existed for billions of years
before plant and animal life.
The person who described the "wee animalcules" was - ANSWER Antoni van
Leeuwenhoek
Walther Hesse and _____________ pioneered the use of agar as a solidifying agent
- ANSWER Robert Koch
Which of the following is/are characteristic of all cellular organisms? - ANSWER
evolution
Deduce why viruses are excluded from the ribosomal RNA- based tree of life -
ANSWER they lack ribosomal RNA (rRNA)
Louise Pasteur developed the vaccine(s) for - ANSWER anthrax, fowl cholera, and
rabies
The discovery of antibiotics and other important chemicals led to the field of -
ANSWER industrial microbiology
Microbial sterilization is used to - ANSWER kill all microbes in or on objects
Transparent double-sided dishes used for growing microbes are most commonly
called - ANSWER petri dishes
Microbes playing a role in nitrogen fixation in plants live in ________, while those
playing a role in the digestive tract of certain herbivores live in ________. - ANSWER
nodules / rumens
, Which of the following is NOT an accomplishment of Louis Pasteur? - ANSWER
developed enrichment culture techniques
The theory of spontaneous generation was refuted by the work of - ANSWER Louis
Pasteur
A Pasteur flask has a(n) - ANSWER swan neck to prevent particulate matter from
getting into the main body of the flask.
Predict how Pasteur's conclusions on spontaneous generation with swan flasks
would have changed if he worked with and maintained the flasks in a sterile laminar
flow hood. - ANSWER Pasteur's flasks never would have putrefied
(decayed/rotted), and the experiment would not have refuted spontaneous
generation.
A pure culture - ANSWER is a population of identical cells
Martinus Beijerinck was the first to isolate - ANSWER green algae, certain nitrogen-
fixing root nodule bacteria, and certain sulfate-reducing bacteria.
Chemolithotrophy involves - ANSWER oxidation of inorganic compounds
Developments in the fields of immunology and medical microbiology were practical
extensions of the work of - ANSWER Robert Koch
Microbial control in wastewaters would most logically be a part of - ANSWER
aquatic microbiology
Robert Koch contributed to the field of microbiology by being the first person to -
ANSWER develop the tuberculin test, formulate four postulates for definitively
linking a specific microorganism to a specific disease, and use agar as a solidifying
agent in growth media
Mycobacterium tuberculosis is very difficult to stain because of the - ANSWER
large amounts of a waxlike lipids present in its cell wall
Louis Pasteur's most famous success was his work on - ANSWER the rabies
vaccine
Microorganisms play key roles in the cycling of important nutrients in plant nutrition,
particularly those of - ANSWER carbon, nitrogen, and sulfur
Microbial ecology is the study of - ANSWER microorganisms in their natural
environments
The structure that confers structural strength on the cell is known as the - ANSWER
cell wall
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