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Which of the following processes require...

Which of the following processes require a carrier protein but does not involve expense of cellular energy :
(a) Diffusion
(b) Osmosis
(c) Active transport
(d) Facilitated transport

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The correct Answer is:
(d)
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PRADEEP-THE FUNDAMENTAL UNIT OF LIFE -A. VERY SHORT ANSWER QUESTIONS
  1. Where do the ribosomes get synthesized ?

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  2. Which of the following processes require energy in the form of ATP ? ...

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  3. Which of the following processes require a carrier protein but does no...

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  4. Name the macromolecule which is used as a carrier for the transport of...

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  5. What do you mean by eutely ?

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  6. Name the source of illumination in electron microscope.

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  7. Name the single-celled marine alga which is about 10 cm long.

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  8. Who proposed the trilaminar or 3-layered structure of cell membrane ?

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  9. Give the concentration of salt solution which is isotonic for R.B.Cs.

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  10. Name the instruments which are used to study structures that cannot be...

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  11. In which instrument following are essential ? (i) Internal vacuum ...

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  12. List three essential features of a cell.

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  13. Name the term used for the genetic material which lies in direct conta...

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  14. Name the non-living component (organelle) in a plant cell.

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  15. Who proposed fluid mosaic model to explain structure and functions of ...

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  16. Name the model which is described as "a number of protein icebergs flo...

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  17. Differentiate between endosmosis and exosmosis.

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  18. Which instrument is most commonly used to observe the cellular organis...

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  19. Name the two cellular components that are absent in an animal cell but...

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  20. What is the most important characteristic of prokaryotic cell ?

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