When oxygen is absent, anaerobic respiration occurs ('an' means without).
<span>INTRODUCTION: What would happen to your cells if they made a poisonous chemical? You might think that they would die. In fact, your cells are always making poisonous chemicals. They do not die because your cells use enzymes to break down these poisonous chemicals into harmless substances. Enzymes are proteins that speed up the rate of reactions that would otherwise happen more slowly. The enzyme is not altered by the reaction. You have hundreds of different enzymes in each of your cells.</span>
Saliva is a part of the digestive system. saliva contains enzymes that help start the breakdown of food in the digestive process
Ala-Asn-Val
Were you struggling with this? I used to love doing these in bio, can't wait to do them again in AP Bio
