Well in my opinion, I think it means:
If you love something enough, they will love you back. Care for others!!!
But that's just what I think :)
This is true for the most part.
Nucleic acids is what it would be known as
I am more of a chemistry person, but my best answer is the double-helix structure. The DNA rotate around a central point allowing it to keep a constant distance
The sides of the ladder are made of alternating sugar<span> and </span>phosphate<span> molecules. The </span>sugar<span> is </span>deoxyribose<span>. The rungs of the ladder are pairs of 4 types of nitrogen bases. Hope this answers the question. Have a nice day.</span>