DNA
A four-letter code (A, T, G, C) spiralled into a double helix. Three letters spell one amino acid.
Cells, DNA, ecosystems and the machinery of living things.
A four-letter code (A, T, G, C) spiralled into a double helix. Three letters spell one amino acid.
Plants turn light, water and CO₂ into sugar and oxygen — the energy source for almost all life.
Traits that help survival get passed on more often. Over generations, populations shift.
6CO₂ + 6H₂O + light → C₆H₁₂O₆ + 6O₂