MICRO Unit 1 vocab Flashcards
(59 cards)
microbiology
specialized area of biology that eals with living things ordinarily too small to be seen without magnification, including bacteria, archea, fungi, protozoa, and viruses
germ theory of disease
theory that microorganisms can be the cause of disease
pathogen
any agent that causes disease
scientific method
principles and procedures for the systematic pursuit of knowledge, involving the recognition and formulation of a problem, the collection of data through observation and experimentation, and the formulation and testing of a hypothesis
hypothesis
a tentative explanation of what has been observed or measured
theory
a collection of statements, propositions, or concepts that explains or accounts for a natural event
nomenclature
a set system for scientifically naming organisms, enzymes, anatomical structures, and so on
taxonomy
the formal system for organizing, classifying, and naming living things
classification
attempts the orderly arrangement of organisms into hierarchy taxa
identification
the process of discovering and recording the traits or organisms so that they may be recognized named and placed in an overall taxonomic scheme
carbohydrate
a compound containing primarily carbon, hydrogen, and oxygen i
primary structure
they type, number, and order of amino acids in the chain, which varies extensively from protein to protein
organic chemical
molecules that contain the basic frameworks of the elements carbon and hydrogen
covalent bond
bond between atoms that share electrons
hydrogen bond
a weak type of bond formed between a hydrogen covalently bonded to one molecule and an oxygen or nitrogen on the same molecule or on a different molecule
proton
positively charged subatomic particle of an atom
hydrophobic
repel water
ion
an unattached charged particle
protein
chains of amino acids
pure culture
a container of a medium that grows only a single known species or type microorganism
streak plate
method of streaking a medium
colonies
a macroscopic cluster of cells appearing on a solid medium, each arising from the multiplication of a single cell
selective medium
nutrient media designed to favor the growth of certain microbes and to inhibit undesirable competitors
differential medium
a single substrate that discriminates between groups of microorganisms on the basis of differences in their appearance die to different chemical reactions
