In "Song of Myself", Walt Whitman is writing about individuality and self reliance, as we can see from the first line of the poem: "I CELEBRATE myself, and sing myself", This poem emphasizes the "Self", it can be interpreted as a "cosmic self" it can even be read as an individuality that is collective: "And what I assume you shall assume,
/ For every atom belonging to me as good belongs to you".
It is okay for students to use cell phones between classes and during the lunch break, as long as they do not create a distraction or cause the student to be tardy for class.
Substitution is a small scale mutation. It doesn't hold a major effect like insertion and deletion. Insertion and deletion cause frameshifts, which can change all the codons after it, therefore coding the incorrect proteins. Hope this helps!
Homophones........................................