Option B, non-protein-coding DNA that is transcribed into several kinds of small RNAs with biological function.
So the human genome is made of DNA. Non-protein coding DNA will be the best response in this case, as option B. Transfer RNAs (tRNAs) and ribosomal RNAs (rRNAs), which aid in the assembly of the amino acid building blocks that make up proteins, are two examples of specialized RNA molecules derived from Non-protein coding DNA. A short RNA fragment known as a microRNA (miRNA) is another type of specialized RNA molecule that inhibits the production of proteins. An evolutionarily conserved non-protein coding DNA sequence is known as a conserved non-coding sequence (CNS). Due of their capacity to control human genome production, these sequences are interesting.
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