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Micro biology
(excelsior college)
59
Biology
Undergraduate 1
02/12/2009

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Term
1)Who is credited with first observing live microorganism.
Definition
Leeuwenhoek
Term
1)Who discovered the antibiotic penicillin.
Definition
Fleming
Term
1)A medium that inhibits some bacteria while allowing others to grow is best called what.
Definition
Selective media
Term
1)Which type of microscopy would show bright microbes against a darkbackground.
Definition
Darkfield
Term
1)The idea that 'life begets life' is best termed what.
Definition
Biogenesis
Term
1)What is the area of clearing caused by cell lysis due to a virus called.
Definition
Plaque
Term
1)Which of the following is the mordant of the gram stain.
Definition
Iodine
Term
1)Who performed the first smallpox vaccination.
Definition
Jenner
Term
1)Which physician used carbolic acid to reduce post-operative infection rates.
Definition
Lister
Term
1)A media whose exact chemical composition is known is best called what.
Definition
Defined media
Term
1)Who is credited with constucting the first compound microscope.
Definition
Janssen
Term
1)The ability to distinguish two objects as being seperate is best called what.
Definition
Resolution
Term
1)What stains would be most appropriate to visualize a bacterial capsule.
Definition
Negative stain
Term
1)Who was the first to prove that bacteria are capable of causing disease.
Definition
Koch
Term
1)Who first discovered viruses as filterable infectious agents.
Definition
Ivanowiski
Term
2) What term best describes spherical bacteria arranged in long chains.
Definition
Steptococus
Term
2) Where is the genetic material in bacteria located.
Definition
Nucleoid
Term
2) What waxy material is unique to the acid-fast bacteria.
Definition
Mycolic acid
Term
2) What is the primary purpose of bacterial fimbriae.
Definition
Attachment
Term
2) Which of the following microbes would be most likely to contain chitin in its cell wall.
Definition
Fungi
Term
2) What factor is used to classify the fungi.
Definition
Sexual spores
Term
2) Which group of algae includes the diatoms.
Definition
Golden brown algae
Term
2) What is the term for the protine coat protecting the viral genome.
Definition
Capsid
Term
Bacterial viruses that intergrate into 2) the host chromosome are best termed what.
Definition
Lysogenic
Term
2) microorganisms with optimal growth tempatures of less than 20c are called what.
Definition
Psychrophiles
Term
2) Bacteria that can grow either in the absence or presence of oxygen are best termed what.
Definition
Factultative anerobes
Term
2) During what part of the growth curve are bacteria growing at their maximal rate.
Definition
Log phase
Term
2) What is the primary form of chemical energy in th microbial cell.
Definition
ATP
Term
2) Which form of nutrient transport uses a protein carrier but does not require cellular energy.
Definition
Facilitateddd diffusion
Term
2) Enzymes function by reducing what.
Definition
Endergonic
Term
2) What is the process of creating a temporary copy of RNA from a DNA template called.
Definition
Transcription
Term
2) What term describes a point mutation that changes from alanine to isoleucine.
Definition
Missense
Term
2) What term is used to discribe bacterial cells that are able to take up exogenous DNA.
Definition
Competent
Term
2) Which of these forms of genetic transfer involves a lytic bacteriophage.
Definition
Generalized transduction
Term
2) Which of the followings is not a typical charicteristic of a bacterial genome.
Definition
Histone-packed
Term
2)Which asexual fungal spores are formed by budding off a parent cell.
Definition
Blastospores
Term
2) Fungal hyphae that contain porous cross walls are termed what.
Definition
Septate
Term
2) What structure is responsible for protozoan locomotion in the class mastigophora.
Definition
Flagella
Term
2) Bacteria with a curved, or common shape are called what.
Definition
Vibrios
Term
2) What step in the viral infective cycle follows attachment to the host cell.
Definition
Penetration
Term
2) Which of the following bases is formed in RNA but not in DNA.
Definition
Uracil
Term
2) A chemical that increases the error rate during DNA replication is best termed what.
Definition
Mutagen
Term
2) What term describes the observable characteristics and growth of a microorganism.
Definition
Phenotype
Term
2) Which of these stuctures is formed during homologous recombination.
Definition
Holliday junction
Term
3) Which if the following results inthe killing of all vegatative cells and endospores.
Definition
Sterilization
Term
3) Compounds that inhibit, but do not kill bacteria are best termed what.
Definition
Bacteriostatic
Term
3) Reducing the number of bacteria on an inanimate surface is called wht.
Definition
Disinfection
Term
3) Which of the following would be most appropriate to sterilize plasticware for use in laboratories.
Definition
Ethylene oxide
Term
3) Which of the following would be most appropriate to sterilize one liter of water.
Definition
Autoclaving
Term
3) The oligodynamic effect is the killing of bacteria by what compounds.
Definition
Heavy metals
Term
3) The lowest dilution of a substance that kills all bacteria present is called what.
Definition
MBC
Term
3) Which of the following is not a quality associated with a good antibiotic.
Definition
Host toxicity
Term
3) what is the most common mechanism for resistance to penicillins.
Definition
inactivation
Term
3) What bacterial structure does amphotericin B disrupt.
Definition
Cell membrane
Term
3) What bacterial process does chloramphenicol interfere with.
Definition
Translation
Term
3) Which of the following drugs would be most effictive against a herpes virus infection.
Definition
Acyclovir
Term
3) which of the following would be best treated by UV light.
Definition
piece of paper
Term
3) On a kirby-bauer test, what is the clear area surrounding the disk called.
Definition
Zone of inhibition
Term
3) What drug is commonly used to combat mycobacterial infections.
Definition
Isoniazid
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