What is said to be 'paid back' by the oxidation of lactic acid after anaerobic respiration?

When explaining dominant and recessive traits to a younger family member, they respond, "well chances are i can probably taste ptc, since dominant traits are more common." how might you address this misconception?

Does mitochondria still meet the definition of a eukaryote why or why not?

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.