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12 grade biology others

Ribophorin I and II occur on the surface of

  • A. Rough E.R.
  • B. Smooth E.R.
  • C. Golgi body
  • D. None of the above

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10 Months agoGrade
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1 Answer

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ApprovedApproved Tutor Answer10 Months ago

Ribophorin I and II are proteins that are primarily found on the surface of the Rough Endoplasmic Reticulum (Rough E.R.). These proteins play a crucial role in the synthesis of glycoproteins and are involved in the process of protein folding and modification.

Key Points

  • Rough E.R.: Characterized by ribosomes on its surface, which gives it a "rough" appearance.
  • Function: Involved in protein synthesis and processing.
  • Ribophorin Proteins: Essential for the assembly of glycoproteins.

Therefore, the correct answer is A. Rough E.R.