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SCI-7 U9
Cumulative Vocab Test Words
| Term | Definition |
|---|---|
| cell membrane | The protective layer that covers the cell’s surface, acts as a barrier, and controls which materials go into and out of the cell. |
| nucleus | A membrane enclosed organelle found in eukaryotic cells that contains most of the cell’s genetic material and controls the activities of the cell. |
| organelle | Structures within a cell that perform specific functions. |
| specialization | Each cell in a multicellular organism having a specific function. |
| tissue | A structure that is made up of a group of cells that work together to perform a specific job. |
| organ | A structure that is made up of two or more tissues working together to perform a specific function. |
| differentiation | The process of a cell becoming specialized to perform a specific job. |
| osmosis | The diffusion of water across a cell membrane from an area of high concentration to low concentration. |
| heredity | The passing of genetic material from a parent organism to its offspring. |
| gene | Sections of genetic material that contain instructions for an inherited trait. |