A fragment of the coding DNA strand contains 3000 nucleotides, introns in it make up 50%.
| September 25, 2021 | education
A fragment of the coding DNA strand contains 3000 nucleotides, introns in it make up 50%. Determine the number of nucleotides in the mature i-RNA molecule.
Answer: 1500 nucleotides.
The DNA strand consists of an exon and an intron part. The first carries the semantic part, and the second does not, so introns are cut out during translation. Accordingly, if in the original form, according to the condition of the problem, 3000 nucleotides and 50% are, we can find out how many exons were contained in the molecule. n NC = 3000 * 0.5 = 1500.
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