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Grade 8 Cell
Cell Parts Definitions
| Question | Answer |
|---|---|
| a mass of DNA and protein | chromatin |
| carries genetic messages | DNA |
| the thin layer around the cell that holds the cytoplasm and organelles in place | cell membrane |
| the jelly like substance where molecules are broken down to produce energy | cytoplasm |
| a membrane that only allows certain particles to pass through it | semi-permeable |
| organic compounds like fats and waxes that easily pass through the cell membrane | lipid |
| the control center of the cell | nucleus |
| provides support, strength, and shape to the cell | cytoskeleton |
| gives strength to the cytoskeleton | protein |
| synthesizes macromolecules in the cell | endoplasmic reticulum |
| sythesizes protein in the cell | ribosome |
| forms on the ends of the top layer of the Golgi Apparatus | vesicles |
| collects, modifies, and pockets substances manufactured by the cell | golgi apparatus |
| breaks down worn out organelles, debris, and large ingested particles within the cell | lysosomes |
| the Powerhouse of the cell | mitochondria |
| the folds on the mitochondria | cristae |
| migrate to the poles of the cell to assist in division | centrioles |
| produces ribosomes in the nucleus | nucleolus |
| cell division | mitosis |