Respuesta :
DNA consists of coding sections (known as exons) and non-coding sections ( known as Introns ).
What is exons ?
- The coding section of DNA or RNA that code for proteins
- The exons are involved in formation of mature mRNA ( messenger RNA ) by covalent bond to one another.
What is introns?
- The non-coding sections of section of a tRNA ( RNA transcript) or DNA
- The introns are not expressed in final messenger RNA (mRNA) product.
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