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Cells and disease 1
Vocabulary from Cell unit
| Question | Answer |
|---|---|
| cell membrane | the outer layer of a cell |
| purpose of cell membrane | to control what goes in and out of the cell |
| cytoplasm | the gel-like substance that fills most of the inside of the cell |
| nuclear membrane | surrounds the nucleus, controlling what goes in and out of the nucleus |
| nucleus | the control center of the cell that contains the genetic material |
| organelles | parts of a cell that have specific functions |
| cell | the smallest unit of living things |
| Cell Theory | the idea that all living things are made of one or more cells and that cells reproduce to make more cells. |
| Germ Theory of Disease | the idea that germs (certain microbes) cause diseases |
| multicellular | organisms that are made of many parts with different functions that help the whole organism survive |
| cellular respiration | the process that all cells do that uses food (sugar) and oxygen to get energy |
| carbon dioxide and water | the waste products of cellular respiration |
| why we breathe | to get the energy from food (with cellular respiration) |
| semipermeable | describes the fact that membranes can let certain things in but stop others |
| mitochondria | where much of cell respiration takes place (in eukaryotes), converts energy for the cell |
| makes bread rise | yeast respiring and giving off carbon dioxide |
| zygote | fertilized cell |
| mitosis | cell reproduction in eukaryotes, for growth and repair |
| specialization | The process of cells taking on specific shapes and functions, different from many other cells of the same organism. |
| differentiation | The differences in cells in an organism. For example, skin cells are very different from nerve cells, which are very different from muscle cells. |
| organelles found in plant cells but not animal cells | chloroplasts and cell wall |
| advantage of cells being smaller | There is more total surface area, so the cell can absorb more nutrients and oxygen and get rid of wastes more easily. |
| "ingredients" for cellular respiration | oxygen and nutrients |
| main waste product from cellular respiration | carbon dioxide |
| virus | nonliving thing with genetic material that cause illness |
| unicellular | organisms that are made of just one cell |
| microbe | organisms too small to see without a microscope, could be one cell or more than one cell |
Created by:
TBraunsdorf
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