| A | B |
|---|
| tissue | groups of similar cells that do the same sort of work |
| compound light microscope | an instrument that uses light and convex lenses to magnify objects |
| organ | a structure made up of different types of tissues that work together to do a specific job |
| cytoplasm | the gel-like substance inside the cell membrane |
| mitochondria | cell organelles that break down food molecules & release energy |
| golgi body | cell organelles consisting of stakcs of membrane-covered sacs that package and move proteins to the outside of the cell |
| cell theory | the cell is the basic unit of life; organisms are made up of one or more cells; all cells come from cells that already exist |
| endoplasmic reticulum | a cell organelle consisting of folded membranes that move materials around with in the cell |
| ribosome | a cell organelle on which protein is made |
| organelle | in eukaryotic cells, the structures within the cytoplasm that break down food, moves waste, and stores materials |
| cell membrane | the outer boundary of a cell that allows food and oxygen to enter and waste to exit the cell |
| nucleus | the "hub" of the cell |
| cell wall | in plants, the rigid structure that surrounds the cell and protects it |
| chloroplast | plant cell organelles in which light energy is converted to chemical energy |
| lysosome | a cytoplasmic organelle that contains chemicals and digests wastes and worn out cell parts |
| chromatin | hereditary material in a cell's nucleus |
| electron microscope | an instrument that bends beams of electrons in a magnetic field |
