Question

heterocyst contains enzyme​

Answer 1

Answer:

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. ... produce proteins that scavenge any remaining oxygen.

Answer 2

Answer:

Nitrogenase is inactivated by oxygen, so the heterocyst must create a microanaerobic environment.