you have a tube of nitrate broth After adding zinc the tube

Last updated: 5/13/2023

you have a tube of nitrate broth After adding zinc the tube stays beige ie not red how would you interpret this result bacteria turned nitrate into nitrogen gas bacteria turned nitrate into products other than nitrite or nitrogen gas O bacteria did NOT use nitrate in respiration it s doing aerobic respiration instead bacteria turned nitrate into nitrite O you need to add additional reagents to the nitrate broth before you have a result that you can interpret