The __________ refers to two single-stranded regions on opposite strands connecting two adjacent base-paired segments.(a) hairpin loop(b) interior loop(c) pseudoknot loop(d) helical junctionsThe question was posed to me by my college professor while I was bunking the class.I would like to ask this question from Types of RNA Structures in portion RNA Structure Prediction of Bioinformatics

The __________ refers to two single-stranded regions on opposite stran

1.	The __________ refers to two single-stranded regions on opposite strands connecting two adjacent base-paired segments.(a) hairpin loop(b) interior loop(c) pseudoknot loop(d) helical junctionsThe question was posed to me by my college professor while I was bunking the class.I would like to ask this question from Types of RNA Structures in portion RNA Structure Prediction of Bioinformatics
Answer» Right choice is (b) interior loop To elaborate: In ADDITION to the traditional secondary structural elements, base pairing between loops of different secondary structural elements can result in a higher LEVEL of structures such as pseudoknots, kissing hairpins, and hairpin–bulge contact. A pseudoknot loop refers to base pairing formed between loop RESIDUES within a hairpin loop and residues outside the hairpin loop.

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