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Chpt 11 L 1 2
| Question | Answer |
|---|---|
| cell theory | 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 preexisting cells |
| macromolecules | form by joining many small molecules together |
| nucleic acids | macro molecules that form when long chains of molecules called nucleotide |
| proteins | long chains of amino acid molecules |
| lipid | large macro molecule that does not dissolve in water |
| carbohydrates | one sugar molecule, two sugar molecules, or a long chain of sugar molecules. |
| cell memebrane | a flexible covering that protects the inside of a cell from the environment outside a scale |
| cell wall | a stiff structure outside the cell membrane |
| cytoplasm | fluid inside a cell that contains salts and other molecules |
| cytoskeleton | a network of threadlike proteins that are joined together |
| organelles | surrounded by membranes |
| nucleus | is the part of Eukaryota cell that directs cell activities and contains genetic info |
| chloroplasts | membrane-bound organelles that use light energy and make food |
Created by:
nicossam3865
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