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Cell Struct and Func
Cell Structure and Function Vocab
| Question | Answer |
|---|---|
| Cell | The smallest unit that can perform all life processes: cells are covered by a membrane and contain DNA and cytoplasm. |
| Cell Membrane(aka plasma membrane) | a phospholipid layer that covers a cell's surface and acts as a barrier between the inside of a cell and the cell's environment. |
| Cell Wall | a rigid structure that surrounds the cell membrane and provides support to the cell. |
| Chloroplast | an organelle found in plant and algae cells where photosynthesis occurs. |
| Cytoplasm | the region of the cell within the membrane that includes the fluid, the cytoskeleton, and all of the organelles except the nucleus. |
| Eukaryote | an organism made up of cells that have a nuclues enclosed by a membrane, multiple chromosomes, and a mitotic cycle; eukatyotes include protists, animals, plants, and fungi but not archaea or bacteria. |
| mitochondrion | in eukaryotic cells, the cell organelle that is surrounded by two membranes and that is the site of cellular respiration, which produces ATP. |
| Nucleus | in a eukaryotic cell, a membrane-bound organelle that contains the cell's DNA and that has a role in processes such as growth, metabolism, and reproduction. |
| Organelle | one of the small bodies that are found in the cytoplasm of a cell and that are specialized to perform a specific function. |
| Prokaryote | a single-celled organism that does not have a nucleus or membrane-bound organelles; examples are archaea and bacteria. |
| Ribosome | a cell organelle composed of RNA and protein; the site of protein synthesis. |
| Vacuole | a fluid-filled vesicle found in the cytoplasm of plant cells or protozoans. |
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Christensent
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