Question Detail
Question
Stacks of flattened sacs that modify, sort & package molecules are the _________
Correct Answer
Option D is the correct answer.
Detailed Explanation
The Golgi apparatus (or Golgi bodies) consists of stacks of flattened, membrane-bound sacs called cisternae. It receives proteins and lipids from the ER, modifies them (e.g., by adding carbohydrates), sorts them, and packages them into vesicles for transport to their final destinations.
Hint
This organelle acts like the 'post office' of the cell, processing and packaging molecules for delivery.