That would be an ionic bond. Which is an attraction between a cation and an anion.
Th exact correct amazing answer is:
At the bottom of a valley
Free of unknown diseases is the least likely reason that pigs have been chosen as donors for humans in the process of xenotransplantation.
interphase is the first phase of mitosis
Answer and Explanation:
I believe the answer is Cytosine and Guanine
