In the 1960s a molecular biologist noticed that mutations occurred in areas of DNA that contained many repeated sequences. When a strand-slippage error occurs, an insertion mutation can result. How does the insertion mutation affect the DNA? A: Nitrogenous bases are damaged.

B: Nitrogenous bases are added.

C: Nitrogenous bases are deleted.

D: Nitrogenous bases are exchanged.

sea breeze

explanation:

cool air is going towards land allowing for the land to be cooler, the hotter air gets pushed away from the land.

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.

      n

i dont know it at allnow im just getting points at this pint