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Question
Heterocysts are present in ____________.
Heterocysts are present in ____________.
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Solution
The correct option is D Nostoc
Heterocyst present in nostoc is specialised for nitrogen fixation. The heterocyst are intercalary and posses a very thick outer wall each heterocyst is connected with vegetative cells on two sides through the prominent pores in the wall which later on are occupied by a refractive cynophycean granule called polar nodule.Therefore D is the correct option.
Heterocyst present in nostoc is specialised for nitrogen fixation. The heterocyst are intercalary and posses a very thick outer wall each heterocyst is connected with vegetative cells on two sides through the prominent pores in the wall which later on are occupied by a refractive cynophycean granule called polar nodule.
Therefore D is the correct option.
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