________ are special cells that are able to fix nitrogen and serve as fragmentation sites for certain types of bacteria.
A) Filaments
B) Cocci
C) Akinetes
D) Heterocysts
E) Parenchyma

Question

Quizplus · Accepted Answer

Heterocysts are specialized cells found in some filamentous cyanobacteria, such as Nostoc and Anabaena, which are capable of nitrogen fixation. They provide an anaerobic environment necessary for the enzyme nitrogenase to function, allowing the conversion of atmospheric nitrogen into ammonia, which can then be used by the plant. This process is crucial in ecosystems where the availability of usable nitrogen is limited.

________ Are Special Cells That Are Able to Fix Nitrogen