| nutrient |
A substance that provides food or nourishment, such as usable proteins, vitamins, minerals or carbohydrates. Fertilizers, particularly phosphorus and nitrogen, are the most common nutrients that contribute to lake eutrophication and nonpoint source pollution.
출처: www.pca.state.mn.us/gloss/glossary.cfm
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| nutrient |
Molecules that can be used by cells or living organism to extract energy through metabolic processes. Although nutrients are often sought off only as energy providers, they can also be used as molecular building block for the biosynthesis of cellular structures.
출처: www.whatislife.com/glossary.htm
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| nutrient |
any substance that is assimilated (taken in) by organisms and promotes growth. For example, nitrogen and phosphorous are nutrients which promote the growth of algae. There are other essential and trace elements which are also considered nutrients.
출처: lib1.store.vip.sc5.yahoo.com/lib/allergybegone/glo...
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| nutrient |
a substance that promotes growth
출처: whyfiles.larc.nasa.gov/text/kids/Problem_Board/pro...
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| nutrient |
Substances such as nitrogen and phosphorus, used by organisms to grow.
출처: www.seagrant.sunysb.edu/BTRI/btriterms.htm
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