Respuesta :

lexmhaddock
pneumonoultramicroscopicsilicovolcanoconiosis
MisterBigBrain

Answer:

'Methionylthreonylthreonylglutaminylarginyl...... isoleucine'

Explanation:

It is the chemical name of 'titin' (also known as 'connectin') - the largest known protein. It has 189,819 letters - AND it takes more then 3 hours to read.