Which of the following represents the correct order of events? (1 point)

the element oxygen was discovered, urea was synthesized, proteins were crystallized, the structure of DNA was discovered
the structure of DNA was discovered, proteins were crystallized, the element oxygen was discovered, urea was synthesized
the element oxygen was discovered, proteins were crystallized, the structure of DNA was discovered, urea was synthesized
urea was synthesized, proteins were crystallized, the element oxygen was discovered, the structure of DNA was discovered

Question

Which of the following represents the correct order of events?  (1 point)

    the element oxygen was discovered, urea was synthesized, proteins were crystallized, the structure of DNA was discovered
    the structure of DNA was discovered, proteins were crystallized, the element oxygen was discovered, urea was synthesized
    the element oxygen was discovered, proteins were crystallized, the structure of DNA was discovered, urea was synthesized
    urea was synthesized, proteins were crystallized, the element oxygen was discovered, the structure of DNA was discovered

anonymous · Answer

the element oxygen was discovered, urea was synthesized, proteins were crystallized, the structure of DNA was discovered = Answer