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54 terms

microbiology

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mitochondria and plasmids
extrachromasomal DNA is found in
all of the choices are correct
microorganisms are involved in
prions
are only composed of protiens
flagella
the structures used for mobility in both eukaryotes and prokaryotes
transport protiens
most solutes pass through the cytoplasmic membrane via
van leeuwenhoek
the scientist usually considered the first to see microorganisms, which he called animalcules
contains a thick layer of peptidoglycan
the cell wall of gram positive bacteria
regulate movement of molecules which enter and leave the cell
the cytoplasmic membrane of both eukaryotes and prokaryotes functions to
the cytoskeleton
is a dynamic structure composed of microtubules, actin filaments, and intermediate filaments
the golden age of medical microbiology
occured during the late 1800's to the early 1900s, is a time when the knowledge of and tehniques to work with bacteria blossomed and was when people reliezed that diseases could be invisible
endospores
a dormant cell type
the scientific name of an organism includes its
genus and species
organisms
may be classified in three domains
viruses
are obligate intracellular parasites
the cell types which lack a membrane bound nucleus are found in the
prokaryotes and archaea
which is not true of the cytoplasmic membrane
it uses protiens as selective gates and sensors
which is the correct form
S. aureus
the outbreak of measles within the last few years was due to
a decline in vacination of children in the previous years
tyndall and pasteur
which of these scientists was/were involved in, among other things, investigating the idea of spontaneous generation
viroids
are naked pieces of RNA
the membranes of eukaryotes
contain sterols for strenght
bacteria
provide protection to us from disease by converting
eukaryotic cells are
defined by the presence of a membrane bound nucleus
the idea of spontaneous generation postulated that
living organisms could spontaneously arise from non living material
algae and fungi
which group below contain single celled and multicellular organisms
viruses are in the group
none of the choices are correct
lyme disease is an example of
that is due to changing lifestyles
which is usually true about bacteria
all of the choices are correct
the capsule
may be used for protection and may be used to help the bacteria adhere to surface
peptidoglycan
the macromolecule found in the cell walls of all bacteria is
viruses are often refered to as
infectious agents
eucarya
have a more complex internal structure that archaea of bacteria and have a membrane around the DNA
which term refers to bacterial morphology
coccus and bacillus
phagocytosis
is the ingestion of particles and may be performed by bacteria
bacteria have been used in food
for several thousand years
Eukaryotic cells
are more obviously compartmentalized than prokaryotes
movement in bacteria
is often referred to as run and tumble and may involve pilli
outside a cell wall viruses are
inactive
which of the following bacteria lack a cell wall
mycoplasma
which is not usually true of archaea
they contain peptidoglycan as part of thier cell walls
the cell wall of gram negative organisms
has a thin peptidoglycan layer and is characterized by an outer membrane containing lps
bioremediation refers to
using bacteria to clean up pollutants
which is true concerning the cell wall of prokaryotes
it determines the shape of bacteria
microorgansims are involved in
all of the choices are correct
hooke
published first description of microorganism
koch
identified bacillus anthracis
von behing
administered diphtheria antibodies for immunity
flemming
identifies penicillin
koch
developed german theory of disease
lister
used phenol to inhibit post surgical microbial growth
ehrlich
developed first antimicrobial drug
ivanovski
isolated TMV
semmelwies
recommended the use of handwashing to reduce the risk of infection
metchnikov
observed and described phagocytosis