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