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Definition
| molecules move from HIGH concentration to low concentration |
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Definition
| movement of water through a semi-permeable membrane |
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Definition
| moving items from INSIDE the cell to the outside |
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Definition
| moving items from the OUTSIDE to the inside of the cell |
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Definition
| releases stored energy by using oxygen. |
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Term
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Definition
| process plants use to make glucose (food) |
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Definition
| releases stored energy without using oxygen. (sugar changes to carbon dioxide and alcohol) |
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Term
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Definition
| division of just the cytoplasm |
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Term
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Definition
| process in eukaryotic cells in which nuclear material splits to form two nuclei |
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Definition
| requires the cell to use energy to move substances from region of low concentration to region of high concentration. |
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Term
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Definition
| NO energy needed to move substances |
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Term
| what is the result of mitosis and cytokinesis? |
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Definition
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Term
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Definition
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Term
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Definition
| what a plant cell forms during the cell cycle. |
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Term
| Explain how exocytosis and endocytosis are both examples of active transport. |
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Definition
| The cell has to change shape, wrap around the particle, and make other movements that use ENERGY. |
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Term
| Name the cell structures needed for PHOTOSYNTHESIS |
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Definition
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Term
| Name the cell structures needed for cellular respiration |
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Definition
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Term
| Describe the 3 stages of the cell cycle of a eukaryotic cell. |
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Definition
1- cell growth and copying DNA (duplication)
2- separating duplicated chromosomes (mitosis)
3 - cytokinesis results in 2 separate but identical cells |
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Term
| Describe how you can tell a plant has been watered with salt water. |
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Definition
| The leaves will look wilted. Osmosis makes the water in the leaves (with a high concentration) move down into the salty soil (with a lower concentration). |
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Term
| Describe how you can tell a plant has been watered with pure water. |
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Definition
| The leaves will be strong. Through osmosis, the water in the soil (with a high concentration)moves into the leaves (where the concentration is low.) |
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Term
| Explain why muscle cells need more food when there is a lack of oxygen than when there is enough oxygen? |
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Definition
| Without oxygen, cells must use FERMENTATION which creates less energy than cellular respiration does with oxygen,so more food would be needed to create enough energy from fermentation. |
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Term
| How can you tell the difference between a eukaryotic cell and a prokaryotic cell? |
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Definition
| Eukaryotic cells have chromatids held together at a centromere. |
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Term
| How do you determine the number of pairs of homologous chromosomes? |
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Definition
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Term
| How do you count chromatids? |
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Definition
| Count the "X" and multiply by 2 |
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