Filamentous Cyanobacteria differentiate 5 to 10% of their vegetative cells into heterocysts. Heterocysts are characterized by :

Question

(I) Thick cell wall

(II) Only PSI activity

(III) Nitrogenase activity

[A] (I) only

[B] (I) and (II) only

[C] (II) and (III) only

[D] (I), (II) and (III)

Answer & Explanation
Answer: (I), (II) and (III)

Environmental Studies Short Question | Gkseries