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JIPMER 2019
Exam
JIPMER
Year
2019
Subject
Botany
Chapter
Cell - The Unit of Life

JIPMER 2019 · Botany · Cell - The Unit of Life

Which is the correct sequence of modification and transport of...

Which is the correct sequence of modification and transport of secretory vesicles?

Options

  1. ARER →\rightarrow Cell membrane →\rightarrow Secretory vesicles →\rightarrow Golgi body
  2. BRER →\rightarrow Secretory vesicles →\rightarrow Cell membrane
  3. CRER →\rightarrow Cell membrane →\rightarrow Secretory vesicles →\rightarrow Golgi body
  4. DSER →\rightarrow Golgi body →\rightarrow Cell membrane →\rightarrow Secretory vesicles

Correct answer

B. RER →\rightarrow Secretory vesicles →\rightarrow Cell membrane

Step-by-step solution

The correct sequence of modification and transport of secretory vesicles is follows RER →\rightarrow Golgi body →\rightarrow Secretory vesicles →\rightarrow Cells membrane Protein destined for secretion are made on ribosomes bound to the RER. The proteins move through the endomembrane system and are dispatched from the trans face of the Golgi apparatus in transport vesicles that move through the cytoplasm and then fuse with the plasma membrane releasing the protein to the outside of the cell.
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