Question

The complex organic compounds that may have first evolved in the direction of origin of life on earth, may have been

• A. Proteins and amino acids
• B. Proteins and nucleic acids
• C. Urea and nucleic acids
• D. Urea and amino acids

Answer 1

The correct option is B Proteins and nucleic acids

Proteins and nucleic acids are the two most basic compounds for sustenance of life. Proteins provided a limiting membrane and boundary to primitive entities and nucleic acids were important information molecules, which were required to build self replicating entities.