State two main differences between globular and fibrous proteins.

Explanation

**Step-by-Step Solution:**

1. **Definition of Globular Proteins:**
- Globular proteins are proteins that are generally soluble in water and have a compact, spherical shape. They play various roles in biological processes, including enzyme activity and transport.

2. **Definition of Fibrous Proteins:**
- Fibrous proteins, on the other hand, are long, thread-like structures that are usually insoluble in water. They serve structural roles in organisms, providing support and strength.

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