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Bio Vocab 5
Bio Vocab 5 Levels of Organization
Term | Definition |
---|---|
carbohydrates | that main source of energy and structural support (sugars) |
lipids | macromolecule that stores energy and are hydrophobic (fats) |
nucleic acids | macromolecule that stores and transmits genetic information (DNA, RNA) |
proteins | macromolecule that controls rate of reactions, fights disease, forms muscle and bone |
atom | the simplest piece of matter, one basic unit of a chemical element |
molecule | two or more atoms bonded together by chemical bonds |
cells | basic unit of life |
tissue | group of similarly specialized cells that perform certain special functions |
organ | group of tissues that together perform a specific function |
organ system | group of organs that work together to perform one or more funtion |
organism | an individual living thing that can react, grow, and maintain homeostasis (constant temp. water, etc). |