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Choose the right ones:
1.
| Statement 1: | The red blood cells are the only eukaryotic cells that lack a nucleus. |
| Statement 2: | Red blood cells have a longer life span. |
2.
| Statement 1: | The smooth endoplasmic reticulum are known as protein factories as they play a major role in the production of proteins. |
| Statement 2: | The smooth endoplasmic reticulum plays a major role in the synthesis of lipids, steroids, and transport within the cell. |
3.
| Statement 1: | Centrioles are responsible for responses against foreign substances such as bacteria, viruses and other antigens. |
| Statement 2: | Centrioles are involved in cell repair. |
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