You run a starch iodine test and end up with a clear area on the plate, surrounded by a field of dark blue. This tells you that the sample is positive for . (Give me the exact enzyme)

bacteria could be both, harmful and to us. harmful bacteria could make us sick and probably even by getting the chances of getting a disease, but good bacteria fight it off with your immune system. there is always bacteria everywhere we go. we need to make sure to wash our hands after using the restroom, before eating, after eating, after petting an animal too. so you see, bacteria is everywhere and is harmful or . i hope this . : ) : ) : )

idk and i also need to know where are those bio brainy acts lol