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Biology
Posted 7 months ago
Why might polycistronic transcripts work so well for prokaryotes?
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Answer from Sia
Posted 7 months ago
Answer
Polycistronic transcripts are efficient for prokaryotes because they allow for the coordinated expression of multiple genes that are involved in the same pathway or process.
Solution
a
Coordinated expression: Polycistronic transcripts contain multiple genes, which are transcribed together, allowing for coordinated expression of genes that are functionally related
b
Energy efficiency: Prokaryotes benefit from polycistronic transcription as it is energetically more efficient to transcribe and translate multiple genes from a single mRNA molecule
c
Simplified regulation: The regulation of gene expression is simplified because a single promoter can control the expression of multiple genes
Key Concept
Polycistronic transcription in prokaryotes
Explanation
Polycistronic transcripts allow for the coordinated and efficient expression of functionally related genes, which is advantageous for the simpler regulatory systems of prokaryotes.
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