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cell structure
functions of a cell structure
| Question | Answer |
|---|---|
| plasma membrane | protection; controls movement of substances in and out of cell; cell to cell com. |
| microvilli | increases surface area of cell for increased absorbtion and secretion |
| nucleus | control center; DNA within the genes directs cellular activities and cellular structures |
| nucleolus | synthesizes rRNA, assembles rRNA with protein to produce ribosomes |
| chromatin | carries hereditary info in genes and condenses to form chromosomes during cell divisions |
| cytoplasm | area where many components are involved in metabolism |
| cytosol | allows diffison of substances throughout the cell |
| organelles | each organelle has a specific cell function |
| mitochondria | site of aerobic cellular respiration for ATP production |