click below
click below
Normal Size Small Size show me how
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 |