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microobiology test 1

chapters 1

TermDefinition
microbiology study of microorganisms
microorganism any organism that is too small to be viewed by the naked eye
study of bacteria bacteriology
bacteria a primitive, single celled organism that can grow in different environments & lacks a true nucleus and most organelles
study of viruses virology
virus small infectious agent that can only multiply within living cells
when the virus is not living in a cell it is called virion
study of fungi mycology
fungi includes single-celled yeasts and multicellular molds
study of protozoa protozoology
protozoa single-celled animal-like organisms
prions non-living infectious particles made of proteins that are capable of producing rapidly progressive and fatal diseases
true or false: all diseases are caused by microorganisms but not all infectious diseases are caused by microorganisms false
who was the first to recognize existence of tiny living particles that cause "catching" (contagious) diseases? Girolamo Fracastoro
certain algae range in size from tiny, unicellular, microscopic organisms to large, multicellular plant like seaweed thus not all are microorganisms
where is algae found in fresh water and salt water, wet soil and on wet rocks
botulism fatal exotoxin intoxication produced by Clostridium botulinum
examples of oral diseases caused by microorganisms periodontal disease & dental caries
who first observed what he called "animacules" (bacterial, yeasts, and protozoa) through a microscope and labelled "father of microbiology"? Antoni van Leeuwenhoek
who is responsible for pasteurization and the germ theory disease and labelled "father of immunology"? Louis Pasteur
pasteurization use of heat to destroy bacteria and spores by boiling water to destroy the bacteria
who is the surgeon who became concerned with post-operatory infections? Lord Lister
germ theory the theory that certain diseases are caused by the invasion of the body by microorganisms
Created by: presleydlc
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