You are a graduate student at the university of iowa and working as a teaching assistant for a freshman introductory biology course. two of your students have come to you with a ques- tion about the sequence of an mrna transcribed from a gene. the original dna sequence from which the mrna was transcribed reads: tgacgatcgta. the students were asked to provide the sequence of bases in the mrna and came up with the following mrna sequence: actgctagcat. they are confused because their answer does not match the answer in the book. briefly explain the very common mistake they made and what the correct sequence is.
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Ответ:
The corret DNA sequence is ACUGCUAGCAU.
Explanation: The common mistake that they make is, they forget to replace thymine with uracil as a base pair of Adenine. During DNA transcription Thymine is replaced by Uracil in production of messenger RNA. Uracil is a de-mythylated form of thymine and requires less energy to produce.
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