question need answer quick

i germinated 10 seeds and there all coming along really well.
they are all at least a half inch so far. but i dont know wether to plant it with the white thing pointing up or down. i feel like a douchebag..but i need an answer!!

the taproot grows down into the soil. so.. down.

thank youu!
when should i see results above the soil?

1 to 3 days.

cool, thanks