How many types of DNA polymerase are associatd with eukaryotic cell ?

Options

A. Three
B. Four
C. Five
D. Two

Answer

### Step-by-Step Solution:

1. **Identify the Context**: The question asks about the types of DNA polymerases associated with eukaryotic cells. Understanding the distinction between prokaryotic and eukaryotic cells is essential.

2. **Recall Prokaryotic DNA Polymerases**: In prokaryotic cells, there are three types of DNA polymerases: DNA polymerase I, II, and III. This sets a baseline for comparison.

3. **Identify Eukaryotic DNA Polymerases**: In eukaryotic cells, there are five types of DNA polymerases. These are:
- DNA polymerase α (alpha)
- DNA polymerase β (beta)
- DNA polymerase γ (gamma)
- DNA polymerase δ (delta)
- DNA polymerase ε (epsilon)

4. **Function of Each Polymerase**:
- **DNA polymerase α**: This is the largest and is primarily involved in the initiation of DNA replication.
- **DNA polymerase β**: This is mainly involved in DNA repair processes.
- **DNA polymerase γ**: This is responsible for mitochondrial DNA replication.
- **DNA polymerase δ**: This is involved in the synthesis of the lagging strand during DNA replication.
- **DNA polymerase ε**: This is primarily responsible for the synthesis of the leading strand during DNA replication.

5. **Conclusion**: Therefore, the answer to the question is that there are **five types of DNA polymerases** associated with eukaryotic cells.

### Final Answer:
There are **five types of DNA polymerases** associated with eukaryotic cells.

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