Self-splicing RNA intron,molecular model. Splicing is the process where a non-coding fragment (intron) of a strand of nucleic acid (DNA,deoxyribonucleic acid; or RNA,ribonucleic acid) is removed. The two sections either side of the intron are called extrons,and are joined together to reform the strand. This splicing is self-organised,and is taking place on an RNA strand. The intron is known as a group I catalytic intron,a self-splicing ribozyme. Also present is small nuclear ribonucleoprotein A (snRNP-A) | |
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