Question

Which of the following statements is not correct?

• A. Lysosomes have numerous hydrolytic enzymes.
• B. The hydrolytic enzymes of lysosomes are active under acidic pH.
• C. Lysosomes are membrane bound structures.
• D. Lysosomes are formed by the process of packaging in the endoplasmic reticulum.

Answer 1

The Correct Option is B

To determine which of the given statements about lysosomes is not correct, we need to examine each statement individually. Here are the statements and their analyses:

1. Lysosomes have numerous hydrolytic enzymes.

   This statement is correct. Lysosomes are cellular organelles that contain a variety of hydrolytic enzymes necessary for breaking down biomolecules, including proteins, lipids, nucleic acids, and carbohydrates.

2. The hydrolytic enzymes of lysosomes are active under acidic pH.

   This statement is correct. Lysosomal enzymes are optimized to function at an acidic pH, which is maintained by proton pumps present in the lysosomal membrane. This acidic environment is crucial for the catalytic activity of these enzymes.

3. Lysosomes are membrane-bound structures.

   This statement is correct. Lysosomes are clearly defined by a single lipid bilayer membrane that separates the lumen, containing the digestive enzymes, from the rest of the cell.

4. Lysosomes are formed by the process of packaging in the endoplasmic reticulum.

   This statement is not correct. Lysosomes are not formed directly in the endoplasmic reticulum (ER). Instead, they are formed from vesicles that bud from the Golgi apparatus, which packages enzymes into these vesicles. The ER synthesizes these enzymes, but the packaging into lysosomes occurs in the Golgi apparatus, not the ER.

Conclusion: The correct answer is: Lysosomes are formed by the process of packaging in the endoplasmic reticulum. This is not correct as the packaging occurs in the Golgi apparatus.