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St Mary’s music scho
S2 term 1 生物學
| Question | Answer |
|---|---|
| What are the characteristics of life | Movement, Respiration, Sensitivity, Growth, Reproduction, Excretion, Nutrition |
| What is the difference between Eukaryotic and Prokaryotic cells | Eukaryotic cells have a nucleus, while Prokaryotic cells does not. |
| Are cells of bacteria eukaryotic or prokaryotic | Prokaryotic |
| Are cells of plants and animals eukaryotic or prokaryotic | Eukaryotic |
| What are organisms made of single cells called | Unicellular organisms |
| Name examples of animal cells | Stem cells, egg cells, sperm cells, white blood cells, red blood cells, nerve cells, and muscle cells |
| Name examples of plant cells | Meristem cells, pollen cells, ovules, leaf cells, root cells, and petal cells |
| Put these from smallest to biggest. Tissues, organisms, organs, cells, organ systems | Cells - Tissues - organs - organ systems - organisms |
| Why don't plant cells burst when too much water enters | Because the cell wall prevents the cell from expanding too much, so it becomes turgid (firm) instead of bursting |
| What happens when too much water enters a cell without a wall? | It bursts |
| What happens to a plant cell when water leaves it | The cell becomes flaccid as the vacuole shrinks and the cell membrane pulls away from the cell wall. |
| What happens to an animal cell when water leaves it | It shrinks because it loses water. |
| What is it called when a plant cell loses so much water that the cell membrane pulls away from the cell wall. | Plasmolysed cell / cell plasmolyses |
Created by:
Sumleung
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