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What is the main function of each of the...

What is the main function of each of the following organelles ?
(a) Ribosome, (b) Cell wall

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(a) Ribosomes are the sites of protein synthesis.
(b) Cell wall provides shape, rigidity and protection to the cell.
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PRADEEP-THE FUNDAMENTAL UNIT OF LIFE -B. SHORT ANSWER QUESTIONS
  1. Name the scientists who proposed cell theory. Who gave the idea that t...

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  2. Give two major differences between prokaryotes and eukaryotes.

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  3. What is the main function of each of the following organelles ? (a) ...

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  4. Give two examples of prokaryotes.

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  5. Which of the structures are found (a) in animal cells, (b) in plan...

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  6. Name the nucleic acids that are present in an animal cell.

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  7. How the constrast is enhanced in an electron microscope ? Where the im...

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  8. Give two examples of osmosis in plants.

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  9. How many ions of Na^(+) and K^(+) are pumped out and in sodium-potassi...

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  10. Name the layer of cementing material which holds adjacent plant cells....

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  11. Cell wall is composed of which chief material. How many molecules of g...

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  12. List three special processes which are involved in the bulk transport ...

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  13. Write two important characteristics of prokaryotes.

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  14. Write down the differences between diffusion and osmosis.

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  15. what are plasmodesmata ? What are its functions in plant cells ?

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  16. Define a chromosome. Give its two components.

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  17. List two similarities between mitochondria and plastids.

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  18. State two types of plastids. Write one function of each.

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  19. What are chromosomes ? List their two functions.

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  20. Tabulate six differences between a prokaryotic cell and a eukaryotic c...

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