Collagen is a fibrous /globular protein.

Explanation

### Step-by-Step Solution

1. **Understanding Collagen**: Collagen is a type of protein found in various connective tissues in the body, such as skin, tendons, and cartilage. It plays a crucial role in providing structural support.

2. **Classification of Proteins**: Proteins can be classified into two main categories: fibrous proteins and globular proteins.

3. **Characteristics of Fibrous Proteins**:
- Fibrous proteins are elongated and strand-like in structure.
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