The nearest star to the Earth is The Sun
Answer:
Option (B).
Explanation:
The exons are the coding sequence whereas introns are non coding sequence of the genome. The eukaryotes genome are interrupted with introns wheres prokaryotes lacks the intron in their structure.
The insulin hormone is necessary for the miantenance of the blood sugar level. The insulin gene present in the plasmid should be from the cDNA as cDNA is produced from the mRNA and do not contain any intron in its structure. No splicing is required in the cDNA.
Thus, the correct answer is option (B).
