Which of the following is correct concerning self-splicing introns? none of these answers are correct. group ii introns use an exogenous guanosine as a cofactor. group i introns form a lariat structure. group i introns use an exogenous adenine as a cofactor. group i introns are found across all organisms, including vertebrates.

In order to study genetic mutations, scientists must study genetic material. which statement describes the genetic material scientists are most likely studying? a) they study alleles that contain chromosomes, which are rna. b) they study alleles that contain genes, which are chromosomes. c) they study chromosomes that contain genes, which are dna segments.