(1) 원시 대기, (2) 유기물 함유 용액, (3) 단백질, (4) 누클레오티드, (5) DNA라고 하는 핵산, (6) 막.
(Matthew 12:37) My research limited itself to evolution’s major steps en route to life: (1) a primitive atmosphere, (2) an organic soup, (3) proteins, (4) nucleotides, (5) nucleic acids called DNA, and (6) a membrane.jw2019 jw2019