Which organelle acts as the processing and packaging center for secretory products with proteins and carbohydrates?

• A. Endoplasmic Reticulum
• B. Golgi Apparatus
• C. Nucleus
• D. Lysosomes

Answer: (B)

The Golgi apparatus processes and packages secretory products, including proteins that have carbohydrate groups added or modified. After proteins are made and folded in the endoplasmic reticulum, they’re sent to the Golgi, where they’re further modified with sugars, sorted, and packed into vesicles for secretion or delivery to other locations in the cell. This makes the Golgi the central hub for preparing secretory proteins and their carbohydrate decorations for transport outside the cell or to the surface. The endoplasmic reticulum is where proteins are synthesized and folded (and lipids are made in the smooth ER), the nucleus houses genetic material, and lysosomes contain enzymes for degradation.