Fortis Microbiology Final Exam STUDY
TEST GUIDE CORRECTLY ANSWERED
Microorganisms that do not have a nucleus in their cells - ANSProkaryotes
Disease causing microorganisms - ANSPathogens
Microorganisms composed only of heredity material wrapped in a protein covering -
ANSViruses
Orderly arrangement of organisms into a hierarchy of taxonomic categories - ANSClassification
When assigning a scientific name to an organism, both the genus and species names are
______ or ______. - ANSItalicized or underlined
The five I's of studying microorganisms are? - ANSInoculation, incubation, inspection, isolation,
and identification
Contains only one species of microorganisms - ANSPure culture
An important component of media because it provides a solid surface for bacterial growth -
ANSAgar
Magnifies the specimen to produce the real image of the specimen - ANSObjective lens
How is total magnification determined? - ANSThe power of the ocular lens is multiplied by the
power of the objective lens
Two functions of bacterial appendages - ANSAttachment and motility
The presence of flagella all over the cell surface - ANSPeritrichous
Prokaryotic flagella has three parts in the order from cytoplasm to external environment is? -
ANSBasal body, hook and filament
Often the site of pathogenic genes - ANSPlasmids
A unique macromolecule found in bacterial cell walls - ANSPeptidoglycan
, -DNA not encased in a membrane
- has a cell wall made of peptidoglycans or other distinct chemicals
- does not have membrane-bound organelles
- DNA is wrapped around histones - ANSProkaryotes
Short, numerous appendages used by some bacterial cells for adhering to surfaces -
ANSFimbriae
The most immediate result of destruction of a cell's ribosomes would be that? - ANSProtein
synthesis would stop
Host cells of viruses include? - ANSHumans, other animals, plants, fungi, and bacterial
The core of every virus particle always contains? - ANSEither DNA or RNA but not both
Where does DNA viruses multiply? - ANSHost cell's bucleus
Where does RNA viruses multiply? - ANSHost cell's cytoplasm
Viruses attach to their hosts by way of the host's? - ANSGlycoproteins
Infect Escherichia coli cells? - ANST-even bacteriophages
Primary purpose of viral cultivation is to? - ANS- isolate and identify viruses I. Clinical
specimens
- prepare viruses form vaccines
- do detailed research on viral structure, lifestyle, genetics, and effects on host cells
Retroviruses differ from other viruses in that they? - ANSConsist of RNA that changes to a
DNA
Required for bacteria because it stabilizes the cell wall - ANSCalcium
Organisms that feed on dead organisms for nutrients - ANSSaprobes
The use of energy by a cell to enclose a substance in its membrane by forming s vacuole and
engulfing the substance - ANSEndocytosis
When microbes are in a close nutritional relationship and one benefits but the other is not
harmed - ANSCommensalism
The chemical reactions and physical working of the cell - ANSMetabolism
TEST GUIDE CORRECTLY ANSWERED
Microorganisms that do not have a nucleus in their cells - ANSProkaryotes
Disease causing microorganisms - ANSPathogens
Microorganisms composed only of heredity material wrapped in a protein covering -
ANSViruses
Orderly arrangement of organisms into a hierarchy of taxonomic categories - ANSClassification
When assigning a scientific name to an organism, both the genus and species names are
______ or ______. - ANSItalicized or underlined
The five I's of studying microorganisms are? - ANSInoculation, incubation, inspection, isolation,
and identification
Contains only one species of microorganisms - ANSPure culture
An important component of media because it provides a solid surface for bacterial growth -
ANSAgar
Magnifies the specimen to produce the real image of the specimen - ANSObjective lens
How is total magnification determined? - ANSThe power of the ocular lens is multiplied by the
power of the objective lens
Two functions of bacterial appendages - ANSAttachment and motility
The presence of flagella all over the cell surface - ANSPeritrichous
Prokaryotic flagella has three parts in the order from cytoplasm to external environment is? -
ANSBasal body, hook and filament
Often the site of pathogenic genes - ANSPlasmids
A unique macromolecule found in bacterial cell walls - ANSPeptidoglycan
, -DNA not encased in a membrane
- has a cell wall made of peptidoglycans or other distinct chemicals
- does not have membrane-bound organelles
- DNA is wrapped around histones - ANSProkaryotes
Short, numerous appendages used by some bacterial cells for adhering to surfaces -
ANSFimbriae
The most immediate result of destruction of a cell's ribosomes would be that? - ANSProtein
synthesis would stop
Host cells of viruses include? - ANSHumans, other animals, plants, fungi, and bacterial
The core of every virus particle always contains? - ANSEither DNA or RNA but not both
Where does DNA viruses multiply? - ANSHost cell's bucleus
Where does RNA viruses multiply? - ANSHost cell's cytoplasm
Viruses attach to their hosts by way of the host's? - ANSGlycoproteins
Infect Escherichia coli cells? - ANST-even bacteriophages
Primary purpose of viral cultivation is to? - ANS- isolate and identify viruses I. Clinical
specimens
- prepare viruses form vaccines
- do detailed research on viral structure, lifestyle, genetics, and effects on host cells
Retroviruses differ from other viruses in that they? - ANSConsist of RNA that changes to a
DNA
Required for bacteria because it stabilizes the cell wall - ANSCalcium
Organisms that feed on dead organisms for nutrients - ANSSaprobes
The use of energy by a cell to enclose a substance in its membrane by forming s vacuole and
engulfing the substance - ANSEndocytosis
When microbes are in a close nutritional relationship and one benefits but the other is not
harmed - ANSCommensalism
The chemical reactions and physical working of the cell - ANSMetabolism