Zusammenfassung der Ressource
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scientist use microscopes to see tings that is not visible with a naked eye.
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light microscopes is more powerful than electron microscope.
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what measurement do scientists use?
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millimetres
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centimetres
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micrometers
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electron microscopes use light.
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Hooke's made the first microscope.
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Leeuwenhoek was first to discover microscopic living things.
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animal and plant cells have chloroplast in it.
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animal cells have smaller vacuole than plant cells.
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what do plant cells have that animal cells don't.
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vacuole
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nucleus
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cytoplasm
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cell wall
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specialised cells have a special job.
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there is one type of muscle cell.
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cardiac muscles never get tired.
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cardiac muscle is a voluntary muscle.
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white blood cells carry oxygen.
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connective tissue covers all other organs.
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xylem carries water from roots.
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phloem carries glucose from the leaves.
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the waste product of photosynthesis is oxygen