Name two semi-autonomous organelles.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Term "Semi-Autonomous Organelles":**
- Semi-autonomous organelles are defined as organelles that possess their own DNA and ribosomes. This means they can replicate and produce some of their own proteins independently of the cell's nucleus.

2. **Identifying Examples of Semi-Autonomous Organelles:**
- The two primary examples of semi-autonomous organelles are:
- **Mitochondria:** Known as the powerhouse of the cell, mitochondria are responsible for producing energy through the process of cellular respiration. They contain their own DNA and ribosomes, allowing them to function independently to some extent.
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