CELL VOCABULARY NOTES Cell- The smallest unit of life Prokaryotic- Type of cell that has no nucleus or membrane-bound organelles Eukaryotic Type of cells that make up plants and animals Has membrane bound organelles Organelle small structure inside cell that has its own function (Job) Cell Wall Rigid wall around the outside of a plant cell Cell Membrane Lining around all cells that allows stuff in and out Permeable- When anything can pass in and out of a cell membrane Semipermeable When only some things can pass in and out of a cell Ribosome An organelle that makes proteins Nucleus An organelle where the DNA is stored Nucleolus Small sphere in the middle of the nucleus that makes ribosomes Nuclear Membrane Membrane around the nucleus Mitochondria Organelle where energy is converted into ATP Golgi Apparatus Cell organelle that helps label and transport proteins after they are made Endoplasmic reticulum (ER) Makes and transports Lipids Rough ER ER with ribosomes on it