In mammals, the pancreas secretes granules containing enzymes. Such granules are formed by:
Correct answer: C. Golgi apparatus
- A. Smooth Endoplasmic Reticulum (SER)
- B. Rough Endoplasmic Reticulum (RER)
- C. Golgi apparatus
- D. Lysosomes
Explanation
The correct answer is the Golgi apparatus, which modifies and packages proteins and enzymes into vesicles for secretion, forming granules in the process. The Rough Endoplasmic Reticulum (RER) synthesizes proteins but does not handle their packaging into granules, which is the role of the Golgi apparatus. The Smooth Endoplasmic Reticulum (SER) is involved in lipid synthesis and detoxification, not in protein packaging. Lysosomes are responsible for digestion and waste removal within the cell, not enzyme secretion.
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Animal, plant, prokaryotic and eukaryotic cells are compared through their membranes, cell walls, nuclei and cytoplasmic organelles. The work includes the structures and functions of mitochondria, chloroplasts, ribosomes, endoplasmic reticulum, Golgi apparatus and lysosomes, as well as chromosome organization and the distinction between chromatin and chromosomes.
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