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Polyribosomes are aggregation of...

Polyribosomes are aggregation of

A

ribosomes and rRNA

B

only rRNA

C

peroxisomes

D

several ribosomes held together by a string of mRNA

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The correct Answer is:
D
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ARIHANT NEET-CELL: THE UNIT OF LIFE-Chapter Exercises A Taking it together (Assorted Questions of the Chapter for Advanced Level Practise )
  1. Which of the following is larger in size?

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  2. Sedimentation coefficient or Svedberg unit is equal to

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  3. Polyribosomes are aggregation of

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  4. A structure found traversing the cells and discovered by porter, claud...

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  5. Peptide bond formation occurs in a cell organelle called

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  6. The site for steroidogenesis isrough endoplasmic reticulum

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  7. Smooth endoplasmic recticulum is well developed in the cells which syn...

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  8. Mechanical support, enzyme circulation, protein synthesis and detoxifi...

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  9. The cytoskeleton in a cell is involved in many functions such as

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  10. Lomasomes are border organelles found in between cell walland cell mem...

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  11. Which one of the following is essential for cell wall formation?

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  12. In a prokaryotic cell, the inclusion bodies

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  13. A bundle of needle-shaped crystals of calcium oxalate in leaves, roots...

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  14. The resolving power of electron microscope istimes greater than that o...

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  15. The resolution of microscope can be increased by

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  16. The use of oil immersion can

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  17. Arrangement of atoms in molecules can be determined by

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  18. Phase contrast microscopy is

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  19. Electron microscope is used for

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  20. A common characteristic feature of plant sieve tube cells and most of ...

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