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study guide #3
cells and their functions chapter 3
| Question | Answer |
|---|---|
| what is the study of cell? | cytology |
| cells | the basic unit of all life, with all characteristics of life |
| plasma membrane | the outer layer of the cell, encloses cell contents and participates in other cellular activitys such as :growth, reproduction, and communication between cells. most important it regulates what can enter and leave the cell. |
| nucleus | largest of the "orgenelles"..controll center of cell, due to containing chromosomes |
| chromosomes | thread like units of heredity passed on from parents to ther children. |
| cytoplasm | remaining organelles is a part. its material that fills up the cell from the nuclear membrane to the plasma membrane |
| cytosol | liquid part of cytoplasm |
| mitochondria | large orgenelles with internal folded membranes;convert energy from nutrients into ATP |
| golgi apparatus | layers of the membrane;makes protiens,sorts and prepares the compounded protiens for transports to other cells |