| A | B |
|---|
| cell | the basic unit of living things |
| ribosome | protein manufacturers |
| nucleus | the "brain" of the cell; controls cell activities including reproduction |
| chloroplast | in plant cells;contain chlorophyll |
| organelle | tiny parts of a cell having a special form and function |
| cytoplasm | jellylike living material in the cell |
| chlorophyll | green pigment; what gives plants their green color |
| vacuole | store water, food, and wastes in a cell |
| lysosome | break down food molecules, waste products & old cells |
| organ | group of tissues working together to perform a function in a living thing |
| organ system | group of organs that work together |
| tissue | group of specialized cells working together |
| organism | highest level of cell organization |
| mitochondria | produces energy in the cell; the "powerhouse" |
| E.R. | transports materials throughout the cell |
| golgi bodies | manufacture and move materials within the cell |
| cell wall | stiff structure outside the cell membrane in a plant |
| cell membrane | thin structure that surrounds both plant & animal cells |
| eukaryote | organism with membrane bound organelles |
| prokaryote | single celled organism with out membrane bound organelles |
| Theodore Schwann | studied animal cells and made comparisons between plant and animal cells. He also stated that each cell had its own specific function. |
| Robert Hooke | used a compound microscope and first used the term "cells" |
| Rudolf Virchow | stated that cells can only come from other living cells. |
| Anton Van Leeuwenhoek | first person to see cells and called them "animalcules" |
| Matthias Schleiden | studied plants and determined all plants were made of cells |
