Explain how mutation can lead to adaption

A mutation is a change of the structure or gene. So, if an animal’s habitat is hanged due to like weather, and there’s an offspring who has a mutation, the mutation could actually be an adaptation due to the change in habitat.

the sugar-phosphate backbone forms the structural framework of nucleic acids, including dna and rna. this backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.