Where are specialized cells called heterocysts present?

Human Heredity: Principles and Issues (MindTap Course List)
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ISBN:9781305251052
Author:Michael Cummings
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Chapter2: Cells And Cell Division
Section: Chapter Questions
Problem 12QP: Why is cell furrowing important in cell division? If cytokinesis did not occur, what would be the...
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Where are specialized cells called heterocysts present?

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Heterocysts are the specialized cells responsible for fixing nitrogen in case of nitrogen starvation in the organism. Dinitrogen present in the air is fixed using the enzyme nitrogenase. This enzyme is inactive in the presence of oxygen and thus microanaerobic environment is created in heterocysts.

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