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Select the correct statement from the fo...

Select the correct statement from the following regarding cell membrane.

A

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

B

Proteins make upto 60 - 70% of the cell membrane

C

Lipids are arranged in a bilayer with polar heads towards inner side

D

Fluid mosaic model of cell membrane was proposed by Singer and Nicolson

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The correct Answer is:
D
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MODERN PUBLICATION-CELL : THE UNIT OF LIFE -COMPETITION FILE ( OBJECTIVE TYPE QUESTIONS ( A. MULTIPLE CHOICE QUESTIONS ( MCQs):))
  1. What is true about ribosomes

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  2. Nuclear membrane is absent in

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  3. Select the correct statement from the following regarding cell membran...

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  4. Na^(+)//K^(+) pump is associated with

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  5. Which of the following is used for observing spindle fibres " ...

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  6. Which of the following is present both in prokaryotic and eukaryotic c...

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  7. Extranuclear DNA in the cytoplasm is found inside

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  8. The main arena of various types of activities of a cell is " ...

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  9. Which of the following organelles is called suicidal bag of cell?

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  10. Lysosomes have acidic environment inside their vesicles due to

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  11. Polytene chromosomes were discovered in

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  12. mRNA carries the genetic information from DNA to the Or Which...

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  13. The plane of cell wall formation in a dividing cell is determined by ...

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  14. From the following statements, select the statement that is true:

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  15. The cell membranes of adjacent cells are fused at

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  16. The usual axonemal arrangement of microtubules is

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  17. When the chromosome has a centromere nearer to one end of the chromoso...

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  18. The shape of the cocci bacteria is

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  19. Which of the following is seen only in prokaryotic cells

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  20. The cytoplasm of neighbouring cells is connected with the help of:

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