3steps from the big bang
25things can go into it
proteins
MaterialSubstance
Long chains of amino acids folded into precise shapes. They do almost all the work inside a cell.
First appearedAbout 4.2 billion years ago
Made Of
Everything is made of something.← What it takes
What it leads to →
Made from
Made with
Long chains of amino acids folded into precise shapes. They do almost all the work inside a cell.
From the big bang to proteins
The most direct chain from the start of the universe, following what things are made from and, for living things, what they evolved from. Each step shows when it first appeared.
big bang13.8 bn yrs ago
Hhydrogen13.8 bn yrs ago
amino acidsdate unknown
proteinsc. 4.2 bn yrs ago