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Biology 2 Cells
Chapter 1 Vocabulary
| Question | Answer |
|---|---|
| Fluid substance inside the nucleus | NUCLEOPLASM |
| Cells which lack a nucleus and other membrane bound structures | PROKARYOTIC CELLS |
| Subcellular part that has a special cellular function (little organs) | ORGANELLES |
| Membrane bound structures containing digestive enzymes and help prevent the cell from digesting itself | LYSOSOMES |
| Strands of DNA making up a chromosome | CHROMATID |
| Elongated structures containing DNA and pass on traits to a new cell | CHROMOSOME |
| structure which holds chromatids together | CENTROMERE |
| Control center of the cell | NUCLEUS |
| Substances composing every living cell and a nutrient necessary for cell growth | Proteins |
| Straight cylinders of protein that give rigidity to the cell (skeletal system) | MICROTUBULES |
| Cells having a nucleus and membrane bound structures | EUKARYOTIC CELLS |
| Energy producing structures within the cell | MITOCHONDRIA |
| Means the cell's membrane generally regulates which substances pass in and out of the cell | SELECTIVELY PERMEABLE |
| Building blocks of protein | AMINO ACIDS |
| Spherical bodies which contain RNA and produce proteins for the cell | RIBOSOMES |
| Structures that make or store food in plant cells | CHLOROPLASTS |
| Fluid-filled "bags" used for storage in the cytoplasm | VACUOLES |
| Substances in blood proteins which help maintain a neutral pH in the plasma | BUFFERS |
| Short, thin protein fibers necessary for certain aspects of cell movement (muscular system) | MICROFILIMENTS |
| tubular structure that functions in cell division | CENTRIOLE |
| Organelles that deliver substances released by the endoplasmic reticulum of the cell and where carbohydrate synthesis occurs (packaging center) | GOLGI BODY |
| network of membranes functioning in transport of materials within the cytoplasm | ENDOPLASMIC RETICULUM |
| ability of a cell to maintain a stable internal environment as changes occur in the outside environment (balance) | HOMEOSTASIS |
| outer barrier that regulates what enters and leaves the cell | CELL MEMBRANE |
| membrane separrating the nucleus from the rest of the cell and regulates the passage of materials in and out of the nucleus | NUCLEAR MEMBRANE |
| body within the nucleus (contains RNA) | NUCLEOLUS |
| material inside the cell membrane containing the necessary components of cell life (gel-like) | CYTOPLASM |
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hannahbonana
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