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40 Cards in this Set
- Front
- Back
Who Disproved spontaneous generation and developed the rabies vaccine?
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Pasteur
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Organisms which have no nucleus?
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prokaryotes
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Gram negative bacteria _________ then Gram postive organisms?
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have less peptidoglyan
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This investigator argues that cleanliness would prevent "Childbirth Fever"
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Semmelweis
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The theory of spontaneous generation states that
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microorganizms arise from lifeless matter
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A sticky outer covering made of polysaccharides that can be a slime layer or capsule?
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glycocalyx
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Appear as chains of round berries
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streptococci
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Among the first scientists to see microorganisms
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Anton van Leeuwenhoek
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The concept that microorganisms are the cause of infectious disease is known as?
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Germ theory of disease.
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The two components of the binomial name of a microorganism are ?
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Genus and species
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When substances are modified as they enter the cell, and the modified form can not cross the plasma membrane that process is called?
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group translocation
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Robert Kock is remembered in mircobiology beacuse he
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proved the germ theory of disease (Kock Postulates)
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In the name Staphylococcus aureus, the capitalized name is its?
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Genus
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An antibiotic that specifically prevented synthesis of the peptidoglycan would be most effective on
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Gram positive bacteria
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The scientist who developed pure culture techniques for bacteria was
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Koch
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Poly-B-hydroxybutyrate is
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A storage compound
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A tightly coiled felxible organism with an axial filament might be a
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spirochete
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A group of bacteria that does not have a cell wall?
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mycoplasma
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The process that breaks down organiz substrates, releasing energy that can be used to synthesize ATP or other high energy compounts is ?
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catabolism
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In glycolysis, six carbon glucose molecules are broken down into 2 three-carbon molecules of?
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pyruvic acid
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for each glucose molecule converted in 2 pyruvatesm the anaerobic reaction sequence in glycolysis provides a net gain of?
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2 ATP for the cell
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For each glucose molecule processed during aerobic cellular respiration the prokaryotic cell gains?
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38 molecules of ATP
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Organism synthesize ATP by oxidatiove phosphorylation when they?
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pass electrons through an electon transport system
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Most fementation reactions yield how many ATP molecules per molecule of glucose oxidized?
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2
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Which of the following organisms are obligate intracellular parasites?
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Rickettsia
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The causative agent of gonorrhea and meningitis are?
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Neisseria
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Bacteria that have flagella over their entire surface are
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peritrichous
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Self-replication circular DNA molecules in bacteria that fequently carry drug resistance genes are called ?
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plasmids
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Which of the following is mismatched ?
corynebacterium-gram positive plemmorphic rod mycobacterium -acid fast rod mycoplasma - gram positive rod |
mycoplasma - gram positive rod
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Carl Woese divided prokaryotes into three groups based on
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ribosomal RNA
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Which of the following statements about the three domain systems is incorrect?
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before it was introduced, the most widely accepted system was the four kingdom system.
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Which of the following sets is mis-matched?
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Serratia marcescens-yellow colonies (suppose to be red colonies)
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Which of the following is a primary bacterial cell wall function?
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support
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Bacterial endospores funcion in
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Survival
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A bacterial arrangement in packets of eight cells is described as a
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sarcina
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The science of classification is
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taxonomy
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THe moderny system of biological names was developed by
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Carolus Lonnaeus
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Bacterial pili are involved in ?
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adherence to host cells.
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Which of the following structures is found in all bacteria?
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cytoplasmic membrane
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Much evidence suggests that ________ and_________ arose through endosymbiotic associatons between bacteria and primitive eukaryotic cells.
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Mitochondria, chloroplasts
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