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Micro I ch 1

Study flashcards for Micro I test one

QuestionAnswer
Procaryotes include ____ bacteria whose cells lack a true nucleus
Eucaryotes include _____ algae, fungi, and protozoa, whose cells have a true nucleus
List two types of cellular microbes Procaryotes and eucaryotes
What are acellular microbes? not composed of cells and includes prions and viruses
Microbiology is ____ The study of microbes
How do clinical microbiologists look at microbes? Pathogens (cause disease) Nonpathogens (do not cause disease)
What are opportunistic pathogens? normal to certain parts of the body and only cause disease when they gain access to a new part of the body or when the host is weakened by stress or disease
What are true pathogens? not normal inhabitants and host does not need to be weakened
When do infectious diseases occur? When a pathogen invades the body and it's presence causes a disease
Which is more common, infectious disease or microbial intoxication? Infectious disease
What is an example of an infectious disease? strep throat
When does a microbial intoxication occur? when someone ingests a toxin produced by a pathogen
What are two examples of a microbial intoxication? botulism, dyptheria
What is taxonomy? the science of classifying organisms
What is nomenclature? the assignment of names to taxonomic groups (taxa)
How are bacteria discussed in terms of nomenclature? by genus and species -- where genus is capitalized and both genus and species are italicized or by family name that is capitalized but not italicized
Created by: robinly1