They fix nitrogen from dinitrogen (N2) in the air using the enzyme nitrogenase, in order to provide the cells in the filament with nitrogen for biosynthesis. Nitrogenase is inactivated by oxygen, so the heterocyst must create a microanaerobic environment.
Vitamin B12 is an especially important vitamin for maintaining healthy nerve cells, and it helps in the production of DNA and RNA, the body's genetic material. Vitamin B12 works closely with vitamin B9, also called folate or folic acid, to help make red blood cells and to help iron work better in the body.
Product Details. Maintaining your cellular energy level can help you feel your best. Along with other B vitamins, Vitamin B 12 is vital for cellular energy production. Vitamin B 12 is also important for red blood cell formation and normal function of the nervous system.Vitamin B 12 supplements may be important for people 50 and over who may be deficient due to decreased ability to absorb this nutrient, and for vegetarians and vegans who avoid dietary sources rich in Vitamin B 12. â .long with other B vitamins, Vitamin B 12 is vital for cellular energy production. Vitamin B 12 is also important for red blood cell formation and normal function of the nervous system.