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Which of the following has polar nodule on both the ends? Akinetes Hormogonia Heterocysts None of the above

Which of the following has polar nodule on both the ends?
  1. Akinetes
  2. Hormogonia
  3. Heterocysts
  4. None of the above

Grade:12th pass

3 Answers

Arun
25763 Points
one year ago
Dear Student
 
Each heterocysts is connected to vegitative cell, on two sides through the prominent pores into the wall. Which latwr on one occupied by a refractive cynophycean granule called polar  nodule
Vikas TU
14149 Points
one year ago
Dear student 
Heterocyst and vegetative cells are symbiotically associated with each other where heterocyst provides with fixed nitrogen to the vegetative cells and vegetative cells act as the source of carbon and reductant for proper functioning of heterocyst.
RISHIKA
550 Points
one year ago
DEAR FRIEND

 

Heterocysts are specialised nitrogen-fixing cells formed during nitrogen starvation by some filamentous cyanobacteria, such as Nostoc and Anabaena. They have polar nodule which is a thick wall on both the ends of the cell where it projects into the cell interior as a knob and has small pores which connect it with adjacent vegetative cells.
Thus, the correct answer is option C.
 
THANK U

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