II. Steps in spontaneous origin of life


             (soup theory, Oparin-Haldane hypothesis)



 
 

 Origin of Life - 2      Origin of life - 3


1. Formation of building blocks (amino acids, nucleotides) from early earth atmosphere
 

2. Polymerization - Proteins, DNA, RNA, Lipid membranes
 

3. Assembly into protocells
 

4. Development into true functioning cells