| autotroph | <biology> An organism that makes its own food and does not require previously formed organic materials from the environment. Organisms that synthesise all their organic molecules from inorganic materials (carbon dioxide, salts etc.). Plants are classified as autotrophs because they use photosynthesis to make their own energy. May be photo autotrophs or chemo autotrophs, depending upon the source of the energy. Synonym: lithotrophic organism. Compare: heterotroph. (02 Jan 1998) |
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| obligate | Without an alternative system or pathway. Origin: L. Ob-ligo, pp. -atus, to bind to (05 Mar 2000) |
| obligate aerobe | An organism which cannot live or grow in the absence of oxygen. (05 Mar 2000) |
| obligate parasite | A parasite that cannot lead an independent nonparasitic existence, in contrast to facultative parasite. (05 Mar 2000) |
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보험코드 | 성분/함량 | 구분/보험급여 |
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보험코드 | 성분/함량 | 구분/보험급여 |
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