Denaturation
The disruption of proteins from their native state is known as __.
-CHO
Aldehydes are organic substances that contain a __ functional group on a terminal carbon.
1. Ethylene Oxide
2. Chlorine Dioxide
Which of the following compounds are commonly used as gaseous sterilants or disi...
denaturation the disruption of proteins from their
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MICROBIOLOGY EXAM
(QUESTIONS AND ANSWERS)
Denaturation
The disruption of proteins from their native state is known as
__.
-CHO
Aldehydes are organic substances that contain a __ functional
group on a terminal carbon.
1. Ethylene Oxide
2. Chlorine Dioxide
Which of the following compounds are commonly used as
gaseous sterilants or disinfectants?
Heat
Prions are very resistant to inactivation by __ and chemicals.
True
True or False: Death involves the permanent termination of a
particular organism's vital processes.
Death
__ is characterized by the stopping of all metabolic activity of a
cell.
Sterile
,An object is __ if it is free of all viable microorganisms including
viruses.
False
True or False: There are several degrees of sterility, based on
the destruction of endospores.
Sterile
An object is either __or not sterile.
Radiation
__ is electromagnetic waves or rays, such as those of light given
off from an energy source.
1. Liquids
2. Solid Surfaces
3. Air
UV radiation is effective at disinfecting which types of
materials? 0
UV
__ radiation only penetrates slightly through liquids.
Disinfection
UV radiation usually results in the __ of a material or
environment.
1. Viruses
2. Endospores
, Which of the following microbial forms are relatively resistant
to heat?
Resistant to heat and chemicals.
Prions are:
Death
__ involves the permanent termination of a particular
organism's vital processes, and special qualifications are often
needed to define and delineate this phenomenon in microbes.
1. Endospores
2. Heat-resistance Microbes
Which of the following are not usually destroyed or inactivated
with regular pasteurization methods?
Proteins
The __ in vegetative cells are vulnerable to heat denaturation.
Disinfection
The goal of regular pasteurization methods is the __ of the
liquid.
Ribosomes
The synthesis of proteins involves organelles known as __ in a
process called translation.
1. They drive the production of proteins.
2. They must be replicated prior to binary fission.
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