The U1 splice donor site is critical for positioning of the U1snRNP for appropriate splicing. What site/region(s) participates directly in the phosphoester bond exchange that forms the lariat leading to the correct excision of the intronic segment? Options: the branch point adenosine the poly A stretch within the intron (high conservation ~80%) U2AF binding site (GU) at the 3' intron/exon junction a and b only a, b and c
Gene Interactions
When the expression of a single trait is influenced by two or more different non-allelic genes, it is termed as genetic interaction. According to Mendel's law of inheritance, each gene functions in its own way and does not depend on the function of another gene, i.e., a single gene controls each of seven characteristics considered, but the complex contribution of many different genes determine many traits of an organism.
Gene Expression
Gene expression is a process by which the instructions present in deoxyribonucleic acid (DNA) are converted into useful molecules such as proteins, and functional messenger ribonucleic (mRNA) molecules in the case of non-protein-coding genes.
The U1 splice donor site is critical for positioning of the U1snRNP for appropriate splicing. What site/region(s) participates directly in the phosphoester bond exchange that forms the lariat leading to the correct excision of the intronic segment?
|
|
the branch point adenosine |
|
|
the poly A stretch within the intron (high conservation ~80%) |
|
|
U2AF binding site (GU) at the 3' intron/exon junction |
|
|
a and b only |
|
|
a, b and c |
Step by step
Solved in 3 steps
