Enzymes can be denatured by irregular PH. Meaning that they can change shape. Enzymes rely on their shape in order to function so if their shapes change because of the PH then the active sites don't fit anymore and they enzymes wont work.
A fissure volcano does not form a mountain
Four single bonds, 2- two single and one double bond, 3- one single and one triple bond, 4- two double bonds.
