What kind of proteins do micro filaments and microtubule have?

Explanation

### Step-by-Step Solution:

1. **Understanding Microfilaments and Microtubules**:
- Microfilaments and microtubules are components of the cytoskeleton in cells. They play crucial roles in maintaining cell shape, organization, and various cellular functions.

2. **Microfilaments**:
- Microfilaments are primarily composed of a protein called **actin**.
- Actin is a globular multifunctional protein that forms two intertwined strands, which is why microfilaments are often referred to as **actin filaments**.
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