BIO 175 WAKE TECH FINAL EXAM
Questions with Complete Solutions
what is essential for development of discrete, isolated colonies? solid medium
a pure culture contains only 1 species of microorganisms
which scientist showed that anthrax was caused by the bacterium, bacillus anthraces
Robert Koch
When assigning a scientific name to an organism both genus and species names are
italicized or underlined.
Koch's postulate are criteria used to establish that .. a specific microbe is the cause of a
specific disease
Sterility refers to having an absence of any life forms from viral particles
,the surgeon who advocated using disinfections on hands and in the air prior to surgery was
Joseph Lister
What of the following charactEristics of viruses that distinguish them from other major groups of
microorganisms? a)Contain genetic material
b)cause human disease
c)cannot be seen without microscope
d)lack a nucleus
E)lack cell structure
Using microbes to detoxify a site contaminated with heavy metals is an example of
bioremediation
the most prevalent worldwide infectious diseases are AIDS-related diseases
Disease cause microorganisms are called? Pathogens
_________ are toxins that are the lipopolysaccharide of the ouster membrane of the gram-
negative cell walls. Endotoxins
, An endotoxin is indicative of gram-negative organisms.
the time from when pathogens first enters the body and begins to multiple, until symptoms first
appear is the _____ period Period of invasion
prodromal stage
incubation period
The suffix -emia means blood
the subjective evidence of disease sensed by the patients is termed a(n) symptom
the objective, measurable evidence of disease evaluated by an observer is termed a(n)
sign
A disease that has a steady frequency over time in a particular geographic location is
endemic
Questions with Complete Solutions
what is essential for development of discrete, isolated colonies? solid medium
a pure culture contains only 1 species of microorganisms
which scientist showed that anthrax was caused by the bacterium, bacillus anthraces
Robert Koch
When assigning a scientific name to an organism both genus and species names are
italicized or underlined.
Koch's postulate are criteria used to establish that .. a specific microbe is the cause of a
specific disease
Sterility refers to having an absence of any life forms from viral particles
,the surgeon who advocated using disinfections on hands and in the air prior to surgery was
Joseph Lister
What of the following charactEristics of viruses that distinguish them from other major groups of
microorganisms? a)Contain genetic material
b)cause human disease
c)cannot be seen without microscope
d)lack a nucleus
E)lack cell structure
Using microbes to detoxify a site contaminated with heavy metals is an example of
bioremediation
the most prevalent worldwide infectious diseases are AIDS-related diseases
Disease cause microorganisms are called? Pathogens
_________ are toxins that are the lipopolysaccharide of the ouster membrane of the gram-
negative cell walls. Endotoxins
, An endotoxin is indicative of gram-negative organisms.
the time from when pathogens first enters the body and begins to multiple, until symptoms first
appear is the _____ period Period of invasion
prodromal stage
incubation period
The suffix -emia means blood
the subjective evidence of disease sensed by the patients is termed a(n) symptom
the objective, measurable evidence of disease evaluated by an observer is termed a(n)
sign
A disease that has a steady frequency over time in a particular geographic location is
endemic
