Globular proteins are present in:

Options

A. blood
B. eggs
C. milk
D. all of these

Answer

**Step-by-Step Solution:**

1. **Understanding Globular Proteins**: Globular proteins are a type of protein that are generally water-soluble and have a spherical shape. They play various roles in biological processes.

2. **Identifying Sources of Globular Proteins**:
- **Blood**: Hemoglobin, a globular protein, is found in blood and is responsible for oxygen transport.
- **Eggs**: Albumin is a globular protein present in egg whites.
- **Milk**: Casein and whey proteins in milk are examples of globular proteins.

3. **Analyzing the Options**:
- **Option A (Blood)**: Contains hemoglobin, a globular protein.
- **Option B (Egg)**: Contains albumin, a globular protein.
- **Option C (Milk)**: Contains casein and whey proteins, both globular proteins.
- **Option D (All of these)**: Since all the previous options contain globular proteins, this option is correct.

4. **Conclusion**: Since globular proteins are present in blood, eggs, and milk, the correct answer is **Option D: All of these**.

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