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Standard IX
Biology
Question

The disulphide bonds acting as polypeptide staples are formed in
  1. Lysosomes
  2. Endoplasmic reticulum
  3. Golgi complex
  4. Cytosol

A
Lysosomes
B
Endoplasmic reticulum
C
Cytosol
D
Golgi complex
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Solution
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Endoplasmic reticulum (ER) is involved in correct and functional folding of newly formed protein molecules. Wherever the functional folding is to be carried out the ER brings together those two amino acids in a chain and then disulfide bond is formed.

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