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Micro - Ch 1

QuestionAnswer
Microbe microorganisms
Microorganism A living organism to small to be seen with the naked eye; includes bacteria, fungi, protozoa, and microscopic algae; also includes viruses.
Pathogen A disease-causing organism
Unicellular single-celled organism
Eubacteria The domain of germs
Bacteria Domain of prokaryotic organisms, characterized by peptidoglycan cell walls; bacterium (singular) when referring to a single organism.
Prokaryotes A cell whose genetic material is not enclosed in a nuclear envelope
Archaea Domain of prokaryotic cells lacking peptidoglycan; one of the three domains
Fungi An organism that belongs to the kingdom fungi; a eukaryotic absorptive chemoheterotroph.
Eukaryotes A cell having DNA inside a distant membrane-enclosed nucleus.
Protozoa Unicellular, eukaryotic microbes. Protozoa move by pseudopods, flagella, or cilia.
Algae Photosynthetic eukaryotes with wide variety of shapes and both sexual and asexual reproductive forms.
Virus A sub-microscope, parasitic, filterable agent consisting of nucleic acid surrounded by a protein coat.
Multicellular animal parasites The principal groups of multicellular animal parasites are flatworms and roundworms, collectively called helminths.
Helminths Are the two major groups of parasitic worms (flatworms and the round worm)
Biogenesis The theory that all living cells arise only from preexisting cells.
Spontaneous generation The hypothetical process that some forms of life could arise spontaneously from nonliving matter.
Infections Disease A disease in which pathogens envade a susceptible host and carry out at least part of their cell cycle in the host.
Germ theory of disease The possibility that microorganisms might have similar relationships with plants and animals - specifically, that microorganisms might cause disease.
Koch's Postulates Criteria used to determine the causative agent of infectious diseases.
Pasteurization The process of mild heating to kill particular spoilage microorganisms or pathogens.
Created by: heatherleone81
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