Mar 24, 2010

QUESTION OF THE WEEK

BIOBASICS QUESTION OF THE WEEK?

Which of the following structures is specialized to perform Nitrogen Fixation in Cyanobacteria?

a. Akinetes
b. Zoospores
c. Heterocysts
d. Tetraspores

BIOBASICS Solution: C. Heterosysts are thick walled structures which provide anaerobic environment necessary for the activity of Nitrogenase enzyme which fixes nitrogen.

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