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Word RootsSupplement 1

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Word Roots

Root Definition Example

a not, without asexual-ase an enzyme sucrasebi- two, twice, double binarybio- life biospherecenti- a hundred centimetercyt- cell cytosolde- from, down, out dehydrationdi- separate, part, double, two disaccharide-emia blood anemiaendo- within, inner endomembraneexo- out, outside, without exothermicextra- outside extracellulargiga- a billion gigawattglyco- sweet glycogen

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Word Roots (continued)

Root Definition Example

hemo- blood hemoglobinhomo- same homogeneityhetero- opposite heterogeneityhyper- over, above, excessive hypertonichypo- under, beneath hypotonichydro- water hydrolysisinter- between interphaseIntra- inside intracellularkilo- a thousand kilogram-lysis loosening hydrolysismacro- large macromoleculemega- very large, a million megasporemicro- small, one-millionth microscopemilli- one-thousandth millisecond

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Word Roots (continued)

Root Definition Example

mono- one, single monomernano- very small, one-billionth nanometernitro- nitrogen nitrogenousnon- not non-invasive -ology study of physiologyonco- mass, swelling, tumor oncology-ose sugar sucrose-osis condition of (Latin) mitosis-osis disease (Greek) scoliosis-philic love, loving hydrophylic-phobic fear, dread hydrophobicpoly- many, much polypeptidepro- before, in front of prophasesacchar- sugar saccharide

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Word Roots (continued)

Root Definition Example

som- body somaticsub- below substratetelo- end, complete telophase trans- across transcriptasetri- three triglyceridezyg- yoke zygote