There are two main types of ribosomes, distinguished by their sedimentation coefficient: 70S and 80S. These differ in location and overall structure.
Types of Ribosomes:
| Type | Location | Characteristics |
|---|---|---|
| 70S | Prokaryotic cells (e.g., bacteria) | Found in bacteria, mitochondria, and chloroplasts. |
| 80S | Eukaryotic cells | Located in the cytoplasm of eukaryotic cells. |
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70S Ribosomes: These are smaller ribosomes, mainly found in prokaryotes. They consist of a 50S large subunit and a 30S small subunit.
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80S Ribosomes: These are larger ribosomes located in eukaryotic cells. They comprise a 60S large subunit and a 40S small subunit.
