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Biology
Posted 10 months ago
function of leader and trailer sequences in DNA molecule and mRNA
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Answer from Sia
Posted 10 months ago
Answer
The leader and trailer sequences in DNA and mRNA play crucial roles in the regulation of gene expression and mRNA stability.
Solution
a
Leader sequences in DNA: These are non-coding regions at the beginning of a gene that are important for the regulation of transcription
b
Leader sequences in mRNA: These are untranslated regions at the 5' end of the mRNA that can affect mRNA stability, translation efficiency, and the localization of the mRNA within the cell
c
Trailer sequences in DNA: These are non-coding regions at the end of a gene that can contain signals necessary for terminating transcription
d
Trailer sequences in mRNA: These are untranslated regions at the 3' end of the mRNA that can influence polyadenylation, mRNA stability, and the regulation of translation
Key Concept
Leader and trailer sequences are non-coding regions in DNA and mRNA that are essential for gene expression regulation.
Explanation
Leader sequences in DNA and mRNA are involved in transcription and translation regulation, respectively, while trailer sequences in DNA and mRNA are involved in transcription termination and mRNA stability.
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