Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Cell Basics
Cell Stuff
| Term | Definition |
|---|---|
| Eukaryote | organism whose cells contain nuclei |
| prokaryote | unicellular organism lacking a nucleus |
| organelle | specialized structure that performs important cellular functions within a eukaryotic cell |
| nucleus | the center of the atom which contains the protons and neutrons; in cells, structure that contains the cell's genetic material (DNA) and controls the cell's activities |
| cell | collection of living matter enclosed by a barrier that separates the cell from its surroundings; basic unit of all forms of life |
| cytoplasm | material inside the cell membrane—not including the nucleus |
| ribosome | small particle in the cell on which proteins are assembled; made of RNA and protein |
| lysosome | cell organelle filled with enzymes needed to break down certain materials in the cell |
| vacuole | cell organelle that stores materials such as water, salts, proteins, and carbohydrates |
| diffusion | process by which molecules tend to move from an area where they are more concentrated to an area where they are less concentrated |
| Interphase | The stage of the cell cycle that takes place before cell division occurs; the cell grows, copies its DNA & prepares to divide. |
| prophase | first phase of mitosis in which chromosomes become visible and nuclear membraine disappears |
| anaphase | the third part of mitosis, during which the chromosome paris separate and move towards opposites poles |
| telopahse | 4th and final phase of mitosis, during which the chromosomes begin to disperse into a tangle of dense material |
| Metaphase | connects the centromere of each chromosome to the two poles of the spindle. |
Created by:
Rivers_Spivey