المصادر

Transformer: The Deep Chemistry of Life and Death By Nick Lane

https://www.youtube.com/watch?v=SdxH9cnJbRQ

https://www.youtube.com/watch?v=rrEr_AnSsGs

https://www.popularmechanics.com/space/moon-mars/a39454249/how-was-the-moon-formed/

https://bio.libretexts.org/Bookshelves/Microbiology/Microbiology_%28Boundless%29/04%3A_Cell_Structure_of_Bacteria_Archaea_and_Eukaryotes/4.04%3A_Cell_Walls_of_Prokaryotes/4.4A%3A_The_Cell_Wall_of_Bacteria

https://www.youtube.com/watch?v=e5g55ogdvW8