A nucleotide consists of three things: A nitrogenous base, which can be either adenine, guanine, cytosine, or thymine (in the case of RNA, thymine is replaced by uracil). A five-carbon sugar, called deoxyribose because it is lacking an oxygen group on one of its carbons. One or more phosphate groups.
I think that it's Photosynthesis?
it gives off protons because it's in a basic solution (pH>7)
THe Kepler 62 Planetary is located in an are of the Milky Way galaxy.