<span>aCETYLCHOLINERASE IS AN ENZYME THAT METABOLIZES ACETYLCHOLINE</span>
Answer: Protons
Explanation: Every atom is defined by its protons every element. So if it has 1 proton its hydrogen no matter what. If it has 2 protons its helium no matter what and so on. So if you know the number of protons you know the element.
The atomic number tells you the number of protons that are in the core of a particular element.
PERFECT SIX SIDED SKY BLUE MONTANA SAPPHIRE ROUGH
