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Who concluded 'Cells are the ultimate units forming the structure of all plant tissues'?

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2. State one difference between gram positive and gram negative bacteria.

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3. What is the function of contractile vacuole in amoeba?

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4. Who reported that the cell had an outer layer which is known as plasma membrane today?

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5. What are receptor molecules ?

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6. What are informational molecules ?

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7. Define Totipotent.

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8. what is Svedberg unit

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9. Define the term ‘Prokaryotic’.

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10. What is cytoplasm ?

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