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CH 10 Vocabulary

CH 10 Lessons 1 & 2 Vocabulary

Cell Theory all living things are made of one or more cells the cell is the smallest unit of life all new cells come from preexisting cells
macromolecules a substance that forms from many small molecules joining together
Nucleic Acids a macromolecule that forms when long chains of molecules called nucleotides join together.
Proteins long chains of amino acid molecules
Lipids large macromolecule that does not dissolve in water
Carbohydrates one sugar molecule, two sugar molecules, or a long chain of sugar molecules
cell membrane a flexible covering that protects the inside of the cell from the environment outside the cell.
cell wall stiff structure outside the cell membrane
cytoplasm fluid inside the cell that contains salts and other molecules
cytoskeleton network of threadlike proteins that are joined together
organelles structures with specialized functions that are surrounded by membranes
nucleus part of the eukaryotic cell that directs cell activities and contains genetic information stored in DNA.
Prokaryotic Cell Unicellular organisms whose genetic material is not surrounded by a membrane
Eukaryotic Cell Cell's genetic material is surrounded by a membrane
mitochondria where energy processing occurs in the cell
chloroplasts membrane bound organelles that use light energy to make food, a sugar called glucose, from water and carbon dioxide in a process known as photosynthesis.
Vacuole store food, water, and waste material in the cell. Plant cells have ONE large vacuole. Animal cells have many small vacuoles.
Created by: kfoulks