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Cell Review
Basic Cell Vocabulary for Junior High Science Students
| Question | Answer |
|---|---|
| nucleus | the brains of the cell; contains the DNA |
| chromosomes | carry the DNA (deoxyribonucleic) |
| cell membrane | controls movement of material into and out of the cell |
| cytoplasm | the substance that holds all the other parts; the goo |
| mitochondria | store glucose; convert glucose into energy the cell can use; the power plant of the cell |
| vacuole | storage center; usually water |
| cell wall | plant cells only; gives shape and support to plants |
| chloroplasts | contain chlorophyll; where photosynthesis occurs |
| Robert Hooke | discovered plant cells in 1665; looked at cork through a microscope he built |
| Cell Theory | all organisms are made of one or more cells; the cell is the basic building block of all living things; all cells come from existing cells |
| eukaryotes | organisms whose cells have a nucleus; most are multi-cellular organisms; largest type of cell |
| prokaryotes | do not have a nucleus; also known as bacteria |
| cell | the basic unit of structure and function in all living things |
| organelle | any membrane bound internal structure of a cell; each carries out its own function |
| tissue | a group of cells working together to do a specific job |
| organ | a group of tissues working together to do a specific job |
| organ system | a group of organs working together to do a specific job |
| organism | a group of organ systems working together to create a living being |
| duplicated | repeated or copied |
| function | the purpose or use of something |
| multi-cellular | made of more than one cell |
| enclosed | completely surrounded |
| organism | a living thing |
| valid | true |
| genetic material | DNA; holds the blueprint for life |