Yes in fact they can change up the idea to make it a better one
DNA stands for deoxyribonucleic acid. RNA stands for ribonucleic acid. Both RNA and DNA contain Adenine, Cytosine, and Guanine. However, DNA's nitrogenous base is Thymine while RNA's nitrogenous base is Uracil.
They will deseratwe and dissaper due to the weaknss in the cell.
They say that there would be no reason to have morals without a god, there is no proof about when life began, nor its purpose. There isn't any reason or way of how anything began either in their opinion.
..........Proteins..........
