Write a short note to differentiate between the following
a. Monocistron and Polycistron
b. Exons and Introns
Answers
Answer:
Monocistronic transcription unit will have all the regulatory and coding sequences for a single polypeptide, whereas polycistronic mayhave ceding sequences for more than one polypeptide.
Introns are intervening sequences between two exons found in eukaryotes. They do not directly code for proteins. They are removed before the mRNA forms proteins. Therefore, these introns undergo the process of splicing.
Introns are the non-coding parts of the nucleotides and are not highly conserved. therefore, it is essential to remove introns to prevent the formation of incorrect proteins.
What are Exons?
Exons are the coding sequences that code for amino acid sequence of the protein. The exons are transcribed into mature mRNA after post-transcriptional modification. These are highly conserved sequences, i.e., they do not change frequently with time.
From the listed difference, we can conclude that the main difference between exons and introns
Explanation:
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Answer:
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exons and Introns
