Choose the incorrect pair from the given sets of enzyme and their end products.

Options

A. Rennin – Fat
B. Amylase – Maltose
C. Steapsin – Cholesterol
D. Trypsin – Peptides

Answer

To solve the question of identifying the incorrect pair of enzyme and their end products, we will analyze each enzyme and its corresponding product step by step.

### Step-by-Step Solution:

1. **Identify the Enzymes and Their Products**:
- **Rennin (Chymosin)**: This enzyme is primarily found in the stomachs of infants and is responsible for curdling milk. It acts on milk protein (caseinogen) and converts it into soluble casein.
- **Amylase**: This enzyme is responsible for breaking down starch into maltose. It is produced in the salivary glands and pancreas.
- **Steapsin (Pancreatic Lipase)**: This enzyme acts on lipids (fats) and breaks them down into fatty acids and glycerol. Cholesterol is also a type of lipid, but it is not a direct end product of lipase action.
- **Trypsin**: This enzyme is secreted by the pancreas and acts on proteins, breaking them down into peptides.

2. **Analyze Each Pair**:
- **Rennin and Casein**: Correct, as rennin acts on milk protein to produce casein.
- **Amylase and Maltose**: Correct, as amylase breaks down starch into maltose.
- **Steapsin and Cholesterol**: Incorrect, as steapsin (lipase) breaks down lipids into fatty acids and glycerol, not cholesterol directly.
- **Trypsin and Peptides**: Correct, as trypsin breaks down proteins into peptides.

3. **Identify the Incorrect Pair**:
- The incorrect pair from the options provided is **Rennin and Cholesterol**. The correct association for rennin is with casein, not cholesterol.

### Final Answer:
The incorrect pair is **Rennin and Cholesterol**.

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