OK so the answer you are looking for is most likely going to be inter phase because that is what most cells spend their time in.
Answer:
I would say Phosphate Groups.
Explanation:
Nucleotides are joined together by covalent bonds between the phosphate group of one nucleotide and the third carbon atom of the pentose sugar in the next nucleotide.
Answer:
No, not according to any sciences (unless you mean aliens as in immigrants)
Explanation: