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science chaper 2 voc
| Term | Definition |
|---|---|
| States that all living things are made of one or more cells, the cell is the smallest unit of life, and all new cells come from pre-existing cells | cell theory |
| Form by joining many small molecules together | macromolecule |
| Macromolecules that form when long chains of molecules called nucleotides join together | nucleic acid |
| Long chains of amino acid molecules | protein |
| A large macromolecule that does not dissolve in water | lipid |
| Made up of one sugar molecule, two sugar, molecules, or a long chain of sugar molecules | Carbohydrate |
| (A flexible covering )that protects the inside of a cell from the environment outside a cell | cell membrane |
| a stiff structure outside the cell membrane | cell wall |
| A fluid inside a cell that contains salt and other molecules | cytoplasm |
| A network of threadlike proteins that are joined together | cytoskeloton |
| Have a specialized functions and most are surrounded by membranes | organelle |
| The part of a eukaryotic cell that directs cell activities and contains genetic information stored in DNA | nucleus |
| Membrane-bound organelles that use light energy and make food -a sugar called glucose- from water and carbon dioxide in a process known as photosynthesis. | chloroplast |
Created by:
gracynrae09