1- he found out his grandma was in the hospital so he visited her.
2- his grandma was in the hospital
3- his grandma encouraged him
4- first, because he tried his best.
I don't have the book so I can't give a line of evidence but Atticus was all about teaching Jem and Scout those little life lessons without them even noticing so this instance was one of those little lessons he gives them. Hope this helps :)
<span>Insertion of one of two bases shifts the entire codon and changes all coding regions from there on out. Introducing three bases will place a new amino acid into the protein and can change the overall structure and binding regions, but it will for the most part be the same protein. Adding in those two will change every amino acid after that point, making it longer, shorter and possibly a completely new protein.</span>
The last one, an article examining the benefits of an active lifestyle rather than a daily exercise routine.
