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Select the correct statement from the following regrading cell membrane .

A

Lipids are arranged in a bilayer with polar heads towards the inner part

B

Fluid mosamic model of cell membrane was porposed by Singer and Nicolson

C

`Na^(+)` and `K^(+)` ions move across cell membrane by passive transport

D

Proteins make up 60 to 70% of the cell membrane

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The correct Answer is:
B
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AAKASH INSTITUTE ENGLISH-CELL:THE UNIT OF LIFE -Assignment (section-C) ( Previous Year Qusetion)
  1. Nuclear membrane is absent in

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  2. Which one of the following does nto differ in E. coli and Chlam...

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  3. Select the correct statement from the following regrading cell mem...

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  4. What is true about ribosomes ?

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  5. Ribosomal RNA is actively synthesized in :-

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  6. Which one of the following structures is an organelle within a...

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  7. Which one of the following cellular parts is correctly describe...

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  8. Important site for formation of glycoproteins and glycolipids is

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  9. Peptide synthesis inside a cell takes place in

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  10. In eubacteria, a cellular component that re- sembles eukaryotic cell i...

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  11. In mitochondria, protons accumulate in the:

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  12. Which one of the following is not considered as a part of the...

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  13. The figure below shows the structure of a mitochondrion with its four ...

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  14. The main arena of various types of activities of a cell is

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  15. The plasma membrane consists mainly of

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  16. Which one of the following has its own DNA ?

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  17. Which one of the following statements about the particular entity is t...

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  18. An elaborate network of filamentous proteinaceous structures present i...

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  19. The plasma membrane consists mainly of

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  20. Identify the components labelled A, B, C and D in the diagram ...

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