At the end of meiosis, there are four "n" cells. Explanation: A diploid cell starts out with one 2n cell. The cell replicates its own DNA by using chromosomes, which are a combination of protein and DNA
The last one is the correct answer. The atomic structure can be broken down which is what the findings concerning protons, electrons and neutrons showed. The theory was thus modified. What remained was no chemical reaction could affect the basic structure of an atom.
Still the last choice is still true. The first choice is your second best answer because of what I wrote in the last sentence of the above paragraph.
Last Choice <<<<< answer