Biology, 11.11.2019 23:31, elistopchaniuk
when transcription occurs in eukaryotic cells, a dna strand is copied to an mrna strand that contains introns and exons. which of the two is needed for the production of proteins, and why?
introns because they are coding sequences.
introns because they are non-coding sequences.
exons because they are non-coding sequences.
exons because they are coding sequences.
Answers: 1
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