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chapter 7 part 1
71 72
| Question | Answer |
|---|---|
| cell | basic units of life |
| cell theory | fundamental concept of biology |
| nucleus | a large membrane enclosed structure that contains the cell's genetic material in the form of DNA |
| eukaryote | cells that contain nuclei |
| prokaryote | cells that do not contain nuclei |
| organelle | little organs |
| cytoplasm | portion of the cell outside the nucleus |
| nuclear envelope | surrounds the nucleus composed of two membranes |
| chromatin | the granular material you can see in the nucleus |
| chromosomes | thread-like structures that contain the genetic info that is passed from one generation of cells to the next |
| nucleolus | where the assembly of ribosomes begins |
| ribosomes | small particles of RNA and protein found throughout the cytoplasm |
| endoplasmic reticulum | an internal membrane system contained in eukaryotic cells |
| golgi apparatus | proteins produced in the rough ER move next into an organelle |
| lysosomes | small organelles filled with enzymes |
| vacuoles | sac-like structures that store materials such as water, salts, proteins, and carbohydrates. |
| mitochondria | organelles that convert the chemical energy stored in food into compounds that are more convenient for the cells to use |
| chloroplasts | organelles that capture the energy from sunlight and convert it into chemical energy in a process called photosynthesis |
| cytoskeleton | supporting structures that give eukaryotic cells their shape |
| centrioles | located near the nucleus and help to organize cell division |
Created by:
cdurkee
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