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Why is ER called cell circulatory system...

Why is ER called cell circulatory system?

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Closed circulatory system found in

Listed below are some of the features of open and closed circulatory system. Arrange them into two categories. a) Usually low pressure system b) Found in vertebrates c) Blood returns to heart rapidly d) High pressure system e) Blood returns to heart slowly f)Found in Arthopods

Why is nucleus called the director of the cell?

MAXIMUM PUBLICATION-CELL-THE UNIT OF LIFE-EXERCISE
  1. Bacterial cell envelope is a complex structure. It is made up of vario...

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  2. Pick up the odd one and state reason for your answer. Golgi bodies...

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  3. Identify the power house of a cell. Give justification

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  4. Interphase in cell cycle is referred to as resting phase. Do you consi...

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  5. How RER is different from SER?

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  6. Name the organelles which act as the following. Protein factories

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  7. While looking through the microscope Ramesh saw few organisms. Help hi...

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  8. What is a tonoplast?

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  9. What structural and functional attributes must a cell have to be calle...

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  10. What is a mesosome in a prokaryotic cell ? Mention its function?

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  11. Multicellular organisms have division of labour. Explain.

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  12. Why is ER called cell circulatory system?

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  13. Identify the statement given below is true /false. Robert Brown discov...

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  14. Identify the statement given below is true /false. Schleiden and Schwa...

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  15. State whether the statements are 'true' or 'false'. If 'false', correc...

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  16. Due to the presence of a secondary construction, a knob-like small fra...

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  17. Identify the cell organell known as 'powerhouse' of the cell from thos...

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  18. Which of the following is not correct?

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  19. Which of the following is correct?

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  20. New cells generate from

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