Question

Which of these is not a function of Golgi apparatus?

• A. Site of synthesis of glycoproteins and glycolipids
• B. Secretion
• C. Membrane transformation
• D. Site of protein synthesis

Answer 1

Answer: (D)

Site of protein synthesis

The Golgi apparatus links carbohydrates with proteins coming from ER to form glycoproteins. This process is called glycosylation. Golgi complex brings about membrane transformation, that is, converting one type of membrane (e.g., that of ER) into other types (e.g., selectively permeable plasma membrane, differentiated membrane of lysosome). This complex also takes part in the recycling of plasma membrane. The Golgi complex modifies, sorts and packages proteins and lipids coming from the ER. Packaging involves wrapping the material by a membrane, forming secretory vesicles. The secretory vesicles pinch off from the ends of the cisternae and appear as dense secretory or zymogen granules in the cytoplasm. Later, these vesicles release their secretions by exocytosis or revere pinocytosis.

Site of protein synthesis is ribosomes.

So, the correct answer is 'Ribosomes'.