Trypsin differs from pepsin in digestion of protein

Options

A. Carbohydrate in alkalilne medium in stomach
B. Protion in alkaine meium in stomach
C. Protien in acidic medium in stomach
D. Protein in alkaline medium duodenum

Answer

To answer the question "How does trypsin differ from pepsin in the digestion of protein?", we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Enzymes**: Understand that trypsin and pepsin are both enzymes that play crucial roles in protein digestion. Pepsin is produced in the stomach, while trypsin is produced in the small intestine.

2. **Activation of Enzymes**:
- **Pepsin**: Pepsin is the active form of pepsinogen, which is activated by hydrochloric acid (HCl) in the stomach. This activation occurs in an acidic environment (pH around 3).
- **Trypsin**: Trypsin is activated from its precursor trypsinogen by the enzyme enterokinase. This activation occurs in the small intestine, specifically in the duodenum, and takes place in a basic environment (pH greater than 7).

3. **Location of Digestion**:
- **Pepsin**: Digestion of proteins by pepsin occurs in the stomach.
- **Trypsin**: Digestion by trypsin occurs in the duodenum of the small intestine.

4. **pH Conditions**:
- **Pepsin**: Functions optimally in an acidic medium (pH 3).
- **Trypsin**: Functions optimally in an alkaline medium (pH 9-10).

5. **Type of Proteins Digested**: Both enzymes break down proteins, but they do so in different environments and at different stages of digestion. Pepsin begins the process in the stomach, while trypsin continues the process in the small intestine.

6. **Conclusion**: The main differences between trypsin and pepsin in protein digestion are:
- Pepsin operates in an acidic environment in the stomach, while trypsin operates in an alkaline environment in the duodenum.
- Pepsin is activated by HCl, whereas trypsin is activated by enterokinase.

### Final Answer:
Trypsin differs from pepsin in that trypsin functions in an alkaline medium in the duodenum, while pepsin functions in an acidic medium in the stomach.

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