Identifying the Membrane-Bound Sac with Digestive Enzymes
The question asks to identify the cellular component that is a membrane-bound sac containing digestive enzymes.
- Lysosomes are known as the 'digestive system' of the cell. They are spherical, membrane-enclosed organelles containing hydrolytic enzymes that break down waste materials and cellular debris.
- Mitochondria are primarily involved in cellular respiration and ATP production.
- The Golgi apparatus (or Golgi complex) modifies, sorts, and packages proteins and lipids for secretion or delivery to other organelles.
- Vacuoles are membrane-bound sacs with varied functions, including storage, waste disposal, protection, and growth, but they are not primarily defined by containing digestive enzymes in the same way lysosomes are.
Therefore, lysosomes are the correct answer as they are specifically characterized by being membrane-bound sacs filled with digestive enzymes.
Correct Option: 2. Lysosomes
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