In 1668, demonstrated that maggots appeared only in decaying meat that had been exposed to flies.
a. Redi
b. Pasteur
c. Hooke
a. Redi
Introduced the concept that living cells arise from other living cells.
a. Pateur
b. Needham
c. Virchow
c. Virchow
Introduced the technique of vaccination for smallpox.
a.Lister
b. Jenner
c. Lister
b. Jenner
First to use the microscope to observe "cells"
a.Leeuweenhoek
b. Redi
c. Hooke
c. Hooke
Made an association between silkworm disease and a fungus.
a. Bassi
b. Lister
c. Linnaeus
a. Bassi
A surgeon who used carbolic acid to control wound infections.
a. Koch
b. Lister
c. Fleming
b. Lister
First to speculate about the possibility of a "magic bullet" that would destroy a pathogen without harming the host
a. Spallanzani
b. Linnaeus
c. Ehrlich
c. Ehrlich
Discovered penicillin.
a. Fleming
b. Bassi
c. Jenner
a. Fleming
Using anthrax as a model, demonstrated that a specific microorganism is the cause of a specific disease.
a. Lister
b.Koch
c.Ehrlich
b. Koch
Originated our system of scientific nomenclature.
a.Hooke
b. Linnaeus
c. Virchow
b. Linnaeus
Assigned a microbial cause to fermentation.
a. Pasteur
b. Stanley
c. Crick
a. Pasteur
First to crystallize a virus.
a. Pasteur
b. Stanley
c. Crick
b. Stanley
Showed that mild heating of spirits killed spoilage bacteria without damage to the beverage.
a. Pasteur
b. Stanley
c. Crick
a. Pasteur
Devised a classification system for the streptococci based on an immunological system of serotype.
a. Crick
b. Koch
c. Lancefield
c. Lancefield
Demonstrated that infections in obstetrical wards could be minimized by disinfecting the hands of physicians.
a. Lancefield
b. Crick
C. Semmelweis
c. Sammelweis
Participated in determining the structure of DNA.
a. Crick
b. Koch
c. Stanley
a. Crick
First demonstrated that genetic information could be exchanged between bacteria by conjugation.
a. Beadle
b. Lederberge
c. lancefielf
b. Lederberg
Prokaryotes
a. Fungi
b. Bacteria
c. Viruses
b. Bacteria
Non-cellular, reproduce only inside cells of host organism.
a. viruses
b. Prion
c. Fungi
b. Viruses
Helminths
a. viruses
b. Multicellular animal parasites
c. Elephants
b. Multicellular animal parasites
Yeasts
a. Protozoa
b. Elephants
c. Fungi
c. Fungi
An infectious protein
d. Bacteria
e. viruses
c. prion
c. prion
Unicellular Eukaryotic microorganisms; members of Kingdom Protista
a. protozoa
c. fungi
b. bacteria
a. protozoa
Protection from a disease that is provided by vaccination
a. Fermintaition
b. Aseptic
c. Immunity
c. Immuninty
The use of chemical substance to treat a disease.
a. Bio-remediation
b. Chemotherapy
c. Fermentation
b. chemotherapy
The use of microbes to clean up, for example, and oil spill
a. aseptic
b. Immunity
c. bioremediation
c. bioremediation
The process by which yeasts change sugar into alcohol.
a. Fermentation
b. Bioremediation
c. Bacillus
a. fermentation
Techniques that keep areas free of unwanted microorganisms.
a. fermentation
b. aseptic
c. Immunity
b. aseptic
Photosynthetic bacteria; may fix nitrogen from air.
a. cyanobacteria
b. coccus
c. bacillus
a. cyanobacteria
Photosynthetic eukaryotes.
d. Protozoa
e. archaea
f. algae
f. algae
Eukaryotes classified primarily by their means of locomotion
d. Protozoa
e. archaea
f. algae
d. protozoa
General name for a rod-shaped bacterium
a. cyanobacteria
b. coccus
c. bacillus
c. bacillus
General name for a spherical bacterium.
a. cyanobacteria
b. coccus
c. bacillus
b. coccus
Prokaryotes whose call walls lack peptidoglycan and are often found in extreme enviroments.
d. Protozoa
e. archaea
f. algae
e. archaea
Bacteria generally reproduce by a process called _________ into two equal daughter cells
binary fission
The set of criteria that prove that a specific microorganism is the cause of a specific disease is known today as _______________.
Koch's postulates
The concept that living cells can arise only from other living cells is called _________.
biogenesis
Responding to experiments in which nutrient fluids were heated in sealed containers, proponents of spontaneous generation objected that heating destroyed some ______in the air.
vital force
According to the rules applied to the scientific naming of a biological organism, the _________ name is always capitalized.
genus
Paul Ehrlich discovered an arsenic derivative, _______________, that was effective against syphilis.
salvarsan
Antimicrobial chemicals produced naturally by bacteria and fungi are called _______________.
antibiotics
The penicillin-producing mold that Fleming discovered was named Peniciilium _____________; later it was renamed P. chrysogenum.
notatum
Bacteria usually exist in nature not as single cells but as aggregations of cells called a(n) ________________.
biofilm
The electrons pass through a thin section of the specimen.
a. Compound light microscope
b. Scanning electron microscope
c. Phase-contrast microscope
d. Transmission electron microscope
d. Transmission electron microscope
Visible light passes through the specimen; uses separate objective and ocular lenses.
a. Compound light microscope
b. Scanning electron microscope
c. Phase-contrast microscope
a. Compound light microscope
Details become visible because of differences in the refractive index of different parts of the cell.
a. Compound light microscope
b. Scanning electron microscope
c. Phase-contrast microscope
c. Phase-contrast microscope
Visible light is scattered after striking the specimen, and the specimen is visible against a darkened background.
e. Fluorescence microscope
f. Darkfield microscope
g. Two-photon microscopy
h. Confocal microscopy
f. Darkfield microscope
a special microscope using ultraviolet illumination.
e. Fluorescence microscope
f. Darkfield microscope
g. Two-photon microscopy
h. Confocal microscopy
e. Fluorescence microscope
The electrons strike the surface of the specimen, and secondary electrons leaving the surface are viewed on a television-like screen.
a. Compound light microscope
b. Scanning electron microscope
c. Phase-contrast microscope
b. Scanning electron microscope
Makes use of relatively low-energy red light to excite fluorochromes; can track cellular activity in real time.
e. Fluorescence microscope
f. Darkfield microscope
g. Two-photon microscopy
h. Confocal microscopy
h. Confocal microscopy
Pertaining to the relative velocities of light through a substance.
d. Resolving power
e. refractive index
f. immersion oil
g. immunofluorescence
e. refractive index
Involves the use of antibodies and ultraviolet light.
e. refractive index
f. immersion oil
g. immunofluorescence
g. immunofluorescence
One-millionth of a meter.
a. Micrometer
b. Nanometer
c. Angstrom
d. Resolving power
e. refractive index
f. immersion oil
g. immunofluorescence
a. Micrometer
One ten-billionth of a meter.
a. Micrometer
b. Nanometer
c. Angstrom
c. Angstrom
The ability to separate two points in a microscope field.
d. Resolving power
e. refractive index
f. immersion oil
g. immunofluorescence
d. Resolving power
Adhere(s) best to bacteria, which have a negative charge, because the color molecule has a positive charge.
a. basic dye
b. acidic dyes
c. gram stain
a. basic dye
Used in diagnosis of tuberculosis
d. acid-fast stain
e. capsule stain
f. endospore stain
d. acid-fast stain
Involve(s) the use of a negative stain made from India ink particles.
d. acid-fast stain
e. capsule stain
f. endospore stain
e. capsule stain
Schaeffer-Fulton stain
d. acid-fast stain
e. capsule stain
f. endospore stain
f. endospore stain
Use(s) carbolfuchsin dye
d. acid-fast stain
e. capsule stain
f. endospore stain
d. acid-fast stain
Use(s) malachite green
d. acid-fast stain
e. capsule stain
f. endospore stain
f. endospore stain
Reflect(s) a basic difference between microbial cell walls; ethanol will not remove stain from bacteria.
a. basic dye
b. acidic dyes
c. gram stain
c. gram stain
A Microscope that uses laser illumination.
a. confocal
b. phase-contrast
c. darkfield
a. confocal
Extremely thin microbes, for example, the spirochete Trponema pallidum, are best seen with this type of light microscope.
a. confocal
b. phase-contrast
c. darkfield
c. darkfield
This type of electron microscope yields images with seemingly three-dimensional views of the specimen.
d. transmission
e. scanning
f. scanning acoustic
e. scanning
Light rays that pass through different portions of the specimen reach the eye with their was peaks reinforced or cancelled, making structures of the specimen relatively light or dark.
a. confocal
b. phase-contrast
c. darkfield
b. phase-contrast
A microscope that uses sound waves to form an image.
d. transmission
e. scanning
f. scanning acoustic
f. scanning acoustic
Formerly known as a micron.
a. micrometer
b. nanometer
c. angstrom
d. millimeter
a. micrometer
Formerly known as a millimicron.
a. micrometer
b. nanometer
c. angstrom
d. millimeter
b. nanometer
This is 10 to the negative tenth power of a meter
a. micrometer
b. nanometer
c. angstrom
d. millimeter
c. angstrom
A billionth of a meter
a. micrometer
b. nanometer
c. angstrom
d. millimeter
b. nanometer
Helical; move by flagella, if present.
g. cocci
h. spirilla
i. diplococci
j. coccobacilli
h. spirilla
Spherical; in chains.
a. Sarcinae
b. tetrads
c. streptococci
d. spirochetes
c. streptococci
Divide in three regular planes; spheres form cubelike packets.
a. Sarcinae
b. tetrads
c. streptococci
a. Sarcinae
Helical; axial filaments for motility.
a. Sarcinae
b. tetrads
c. streptococci
d. spirochetes
d. spirochetes
A simple, commalike curve.
c. streptococci
d. spirochetes
e. vibrios
f. bacilli
g. cocci
e. vibrios
Name means "little staff"
f. bacilli
g. cocci
h. spirilla
i. diplococci
j. coccobacilli
f. bacilli
Ovals
h. spirilla
i. diplococci
j. coccobacilli
j. coccobacilli
Golgi complex.
a. eukaryotic cell
b. prokaryotic cell
a. eukaryotic cell
Meiosis occurs in reproduction.
a. eukaryotic cell
b. prokaryotic cell
a. eukaryotic cell
Usually single circular chromosome without histones.
a. eukaryotic cell
b. prokaryotic cell
b. prokaryotic cell
Sterols generally present in cell membrane.
a. eukaryotic cell
b. prokaryotic cell
a. eukaryotic cell
Cell wall almost always contains peptidoglycans.
a. eukaryotic cell
b. prokaryotic cell
b. prokaryotic cell
Nucleus bounded by a membrane.
a. eukaryotic cell
b. prokaryotic cell
a. eukaryotic cell
DNA contained in a nucleoid.
a. eukaryotic cell
b. prokaryotic cell
b. prokaryotic cell
Contain pigments for photosynthesis by bacteria; found in the plasma membrane.
i. chromatophores
j. chloroplasts
k. magnetosomes
i. chromatophores
Gram-negative bacterial cells after their treatment with lysozyme.
g. Spheroplasts
h protoplasts
i. chromatophores
j. chloroplasts
g. Spheroplasts
Specialized external structures that assist in the transfer of genetic material between cells.
a. glycocalyx
b. flagellin
c. fimbriae
d. sex pili
d. sex pili
Numerous short, hairlike appendages that help in attachment to mucous membranes.
a. glycocalyx
b. flagellin
c. fimbriae
d. sex pili
c. fimbriae
General terms for substances surrounding bacterial cells.
a. glycocalyx
b. flagellin
c. fimbriae
a. glycocalyx
Polysaccharides found in the cell wall of many gram-positive bacteria.
c. fimbriae
d. sex pili
e. capsules
f. teichoic acids
f. teichoic acids
Inclusions of iron oxide.
i. chromatophores
j. chloroplasts
k. magnetosomes
k. magnetosomes
Metachromatic granules of stored phosphate in prokaryotes.
a. volutin
b. plasmids
c. cristae
a. volutin
Entrance of fluids and dissolved substances into eukaryotic cells.
i. phagocytosis
j. pinocytosis
k. cytoplasmic streaming
l. mycolic acid
j. pinocytosis
Membrane-enclosed spheres in phagocytic cells that contain powerful digestive enzymes.
f. nucleoplasm
g. lysosomes
h. mitochondria
i. phagocytosis
g. lysosomes
The "powerhouse" of the cell.
g. lysosomes
h. mitochondria
i. phagocytosis
j. pinocytosis
h. mitochondria
a gel-like fluid found in the eukaryotic nucleus.
e. ribosomes
f. nucleoplasm
g. lysosomes
h. mitochondria
f. nucleoplasm
a folded inner membrane found in mitochondria.
a. volutin
b. plasmids
c. cristae
c. cristae
Sometimes contributes to movement of a cell.
j. pinocytosis
k. cytoplasmic streaming
l. mycolic acid
k. cytoplasmic streaming
Found in the walls of acid-fast bacteria.
i. phagocytosis
j. pinocytosis
k. cytoplasmic streaming
l. mycolic acid
l. mycolic acid
Arrangement of flagella distributed over the entire cell.
e. hook
f. peritrichous
g. amohitrichous
h. lophtrichous
f. peritrichous
Flagella at both poles of the cell.
f. peritrichous
g. amohitrichous
h. lophtrichous
i. monotrichous
g. amohitrichous
A widening at the base of the flagellar filament.
c. chitin
d. lysozyme
e. hook
f. peritrichous
e. hook
An enzyme affecting gram-positive cell walls; found in tears.
a. Exocytosis
b. Dipicolinic acid
c. chitin
d. lysozyme
d. lysozyme
A compound found in bacterial endospores.
a. Exocytosis
b. Dipicolinic acid
c. chitin
d. lysozyme
b. Dipicolinic acid
A compound frequently found in the cell walls of yeasts.
a. Exocytosis
b. Dipicolinic acid
c. chitin
d. lysozyme
c. chitin
No flagella.
i. monotrichous
j. atrichous
k. grappling hook model
l. flagellin
j. atrichous
A tuft of flagella at one pole of the cell.
h. lophtrichous
i. monotrichous
j. atrichous
k. grappling hook model
l. flagellin
h. lophtrichous
Twitching motility.
i. monotrichous
j. atrichous
k. grappling hook model
l. flagellin
k. grappling hook model
Closely involved in protein synthesis.
a. Phospholipid bilayer
b. transverse septum
c. microtubules
d. ribosomes
d. ribosomes
Structure(s) characteristic of both eukaryotic and prokaryotic plasma membranes.
a. Phospholipid bilayer
b. transverse septum
c. microtubules
d. ribosomes
a. Phospholipid bilayer
Found in the flagella and cilia of eukaryotic cells
a. Phospholipid bilayer
b. transverse septum
c. microtubules
d. ribosomes
c. microtubules
Highly resistant bodies formed by a few bacterial species.
a. plasmids
b. endospores
c. pseudomurein
d. metrix
e. pleomorphic
b. endospores
Small circular DNA molecules that are not connected with the main chromosomes.
a. plasmids
b. endospores
c. pseudomurein
d. metrix
e. pleomorphic
a. plasmids
The semifluid center portion of the mitochondrion.
a. plasmids
b. endospores
c. pseudomurein
d. metrix
e. pleomorphic
d. metrix
A substance similar to peptidoglycan that is found in the cell wall of archaea.
a. plasmids
b. endospores
c. pseudomurein
d. metrix
e. pleomorphic
c. pseudomurein
Bacteria with irregular morphology.
a. plasmids
b. endospores
c. pseudomurein
d. metrix
e. pleomorphic
e. pleomorphic
Extracellular polymeric substances on some bacterial cells; may help cells adhere to surfaces.
a. glycocalyx
b. pilin
c. gram-positive
d. gram-negative
e. contrioles
f. L form
a. glycocalyx
Bacterial cell with thin peptidoglycan layer, outer membrane of lipopolysaccharide.
a. glycocalyx
b. pilin
c. gram-positive
d. gram-negative
e. contrioles
f. L form
d. gram-negative
Protein that forms fimbriae.
a. glycocalyx
b. pilin
c. gram-positive
d. gram-negative
e. contrioles
f. L form
b. pilin
Bundles of microtubules that probably play a role in cell division of eukaryotic cells.
a. glycocalyx
b. pilin
c. gram-positive
d. gram-negative
e. contrioles
f. L form
e. contrioles
Bacteria that have lost their cell walls and may later spontaneously regain them.
a. glycocalyx
b. pilin
c. gram-positive
d. gram-negative
e. contrioles
f. L form
f. L form
Lipid A and O polysaccharide are found on this type of bacteria.
a. glycocalyx
b. pilin
c. gram-positive
d. gram-negative
e. contrioles
f. L form
d. gram-negative
Er associated with ribosomes.
a. septum
b. forespore
c. rough ER
d. smooth ER
e basal body
c. Rough ER
Ingrowth of plasma membrane before endospore formation.
a. septum
b. forespore
c. rough ER
d. smooth ER
e basal body
a. septum
Anchors the flagella of bacteria to the cell wall and plasma membrane.
a. septum
b. forespore
c. rough ER
d. smooth ER
e basal body
e. basal body
chemically the capsule is a(n) ________________, a polypeptide, or both
polysaccharide
Capsules protect pathogenic bacteria from _________, a process by which protective host cells engulf and destroy microorganisms.
phagocytosis
The Golgi complex consists of flattened sacs called ________ that are connected to the endoplasmic reticulum
cisterns
The ________ means a lower concentration of solutes outside the cell than inside.
hypotonic
The ______ complex consists of four to eight flattened that are connected to the endoplasmic reticulum
Golgi