Organic Compounds ( Read ) | Biology | CK-12 Foundation
https://www.ck12.org/.../organic-compounds/.../Organic-Compounds-...
Dịch trang này
30 thg 11, 2012 - Living organisms are comprised of organic compounds, molecules built around the element carbon. Living things are made of just four classes of organic compounds: proteins,carbohydrates, lipids, and nucleic acids.
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