What is the difference between Exons and Introns?

Introns are found in eukaryotes; they are intervening sequences between two exons. They are considered as the non-coding part of the genes. Intron remains in the nucleus, even after the mRNA splicing. They are present in DNA as well as in mRNA primary transcript. These are the less conserved sequence.

Exons are nucleic acid coding sequences. Exons do not change frequently with time because they have highly conserved sequences. Exons are found in both prokaryotes and eukaryotes. Matured mRNA is produced when exons move from the cytoplasm into the nucleus. Lastly, exons are the bases important for coding amino acid sequences for the protein.

Introns and exons are known to be nucleotide sequences. People may become confused with the differences between the two because of this. Introns are normally removed by RNA splicing when the RNA starts to mature. Introns will not be expressed anymore when the mRNA product, also known as messenger RNA, is released.

Exons will work differently because they would covalently bond with each other so that they can create mature RNA. The intron is the part of the mRNA that will get cut out and will not be coded, while exons would need to be linked together to be effective in forming proteins needed by living things.