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Biology
Week 10/19 Review 2
| Question | Answer |
|---|---|
| Cell | the smallest structural and functional unit of life |
| Theory | well-substantiated, comprehensive explanation of an aspect of the natural world |
| Prokaryotes | single-celled organisms that lack a distinct membrane-bound nucleus and other internal organelles |
| Eukaryotes | living organisms whose cells contain a membrane-bound nucleus and other internal compartments called organelles |
| organelles | a specialized subunit within a biological cell that has a specific job to perform |
| cell membrane | a thin, semipermeable barrier that surrounds every living cell |
| nucleus | the control center of a eukaryotic cell |
| cytoplasm | the jelly-like, semifluid substance that fills the interior of a cell |
| surface area | controls how an object interacts with its environment, driving processes like chemical reactions, heat loss, and biological diffusion |
| volume | the amount of three-dimensional space occupied by a solid, liquid, or gas |