I think that the answer could be A. X and Y
<h2>DIFFERENCE BETWEEN CRYSTALLINE AND AMORPHOUS SOLIDS :</h2><h2><em><u> Amorphous solids do not have definite melting points but melt over a wide range of temperature because of the irregular shape. Crystalline solids, on the other hand, have a sharp melting point.</u></em></h2>
Whichever one has the smallest amount of H+ Ions.
Mitochondrial is relating to or characteristic of a mitochondrion or mitochondria is the answer
I hope this helps and have a nice day
