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प्रश्न
Differentiate between Exons and introns.
फरक स्पष्ट करा
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उत्तर
| Feature | Exons | Introns |
| Meaning | They are coding sequences that carry information for protein synthesis. | They are non-coding sequences that do not code for any protein. |
| Occurrence | Found in both DNA and the mature mRNA. | Found in DNA and the initial pre-mRNA, but absent in mature mRNA. |
| Splicing | They are joined together after the non-coding parts are removed. | They are removed/spliced out during RNA processing. |
| Function | They represent the actual “expressed” genes. | They are often involved in regulating gene expression and alternative splicing. |
| Conservation | Highly conserved (they don't change much between species). | Less conserved and accumulate mutations more rapidly. |
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