Peptide nucleic acid (PNA): a model structure for the primordial genetic material?

Earth & Environmental Sciences

• genetic material 100%
• nucleic acid 85%
• peptide 71%
• RNA 20%
• amino acid 9%
• DNA 8%
• acid 6%
• world 5%

Physics & Astronomy

• nucleic acids 92%
• peptides 77%
• amino acids 11%
• templates 9%
• monomers 9%
• deoxyribonucleic acid 9%
• acids 8%
• analogs 8%

Agriculture & Biology

• nucleic acids 64%
• peptides 47%
• RNA 13%
• soups 12%
• ornithine 11%
• prebiotics 11%
• amino acids 5%
• acids 5%
• DNA 5%