| A | B |
|---|
| Cell Wall | supports and protects the plant cell |
| cell membrane | controls movement of materials into and out of the cell |
| cytoplasm | 80% water, moves various materials throughout the cell |
| nucleus | control center of the cell, regulates cell activities |
| nucleolus | place where ribosomes are made |
| chromosome | passed on traits of the cell to new cells |
| endoplasmic reticulum | transport materials throughout the cell |
| ribosome | place where proteins are made |
| mitochondria | powerhouse of the cell, food molecules broken down into energy called ATP |
| vacuole | stores food, water, wastes , and other material |
| lysosomes | breaks down food, old cell parts, and cells that are dead |
| chloroplast | captures energy in sunlight and produces glucose |
| van Leeuwenhoek | discovered the microscope, first to see living cells |
| Hooke | first to use the term "cells" |
| Schleiden | Studied plants - plants are made up of tiny units, or cells |
| Schwann | studied animal tissue - cells are the building blocks of plants and animals |
| Virchow | Stated that cells are produced only by other living things |
| Organism | highest level of organization in living things |
| organ system | group of organs that work together |
| organ | group of tissues that work together to perform a special function |
| tissue | group of cells that work together to perform a specific function |
| cell | the basic unit of living things |
