Multiple choice

The cis, medial and trans regions are found in which one of the following cell organelles of eukaryotes?

  1. Lysosomes

  2. Peroxisomes

  3. Vacuole

  4. Endoplasmic reticulum

  5. Golgi complex
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E Correct answer
Explanation

Golgi complex consists of a series of flattened membrane vesicles or sacs surrounded by spherical membrane vesicles. The three well-defined regions that are present in the stack of the flattened golgi sac include cis, medial and trans. Secretory proteins and membrane proteins from the rough endoplasmic reticulum first reach the cis region of the golgi complex, and then move to the medial region and ultimately to the trans region. While passing through all these regions, they undergo modifications by the specialised enzymes of the sacs.

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