The type of ribosomes found inside the Mitochodria is

Options

A. 90S
B. 60S
C. 80S
D. 70S

Answer

### Step-by-Step Text Solution:

1. **Understanding Ribosomes**: Ribosomes are cellular structures responsible for protein synthesis. They can be found in both prokaryotic and eukaryotic cells, but their types differ.

2. **Identifying Ribosome Types**: The question asks about the type of ribosomes found inside mitochondria. The options provided are 90S, 60S, 80S, and 70S.

3. **Mitochondrial Characteristics**: Mitochondria are known as the "powerhouse of the cell" because they are the sites of ATP (adenosine triphosphate) production. They have their own genetic material and ribosomes.

4. **Type of Ribosomes in Mitochondria**: The ribosomes found in mitochondria are similar to those found in prokaryotic cells. The type of ribosome in prokaryotes is 70S.

5. **Understanding the 70S Ribosome**: The 70S ribosome is composed of two subunits: a larger 50S subunit and a smaller 30S subunit. This structure is characteristic of prokaryotic ribosomes.

6. **Excluding Other Options**:
- 90S ribosomes are associated with pre-ribosomal complexes and are not found in mitochondria.
- 60S and 80S ribosomes are found in eukaryotic cells, specifically in the cytoplasm, and are not present in mitochondria.

7. **Conclusion**: Therefore, the type of ribosome found inside the mitochondria is 70S.

### Final Answer:
The type of ribosomes found inside the mitochondria is **70S**.

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