What is the function of the heterocyst in cyanobacteria? Question 5 options: The
ID: 47528 • Letter: W
Question
What is the function of the heterocyst in cyanobacteria?
Question 5 options:
The heterocyst produces oxygen for the vegetative cells.
The heterocyst undergoes oxygenic photosynthesis to reduce atmospheric carbon into sugars for the vegetative cells.
The heterocyst fixes nitrogen, providing reduced nitrogen species for vegetative cells.
The heterocyst denitrifies the environment, producing nitrogen gas for vegetative cells.
A)The heterocyst produces oxygen for the vegetative cells.
B)The heterocyst undergoes oxygenic photosynthesis to reduce atmospheric carbon into sugars for the vegetative cells.
C)The heterocyst fixes nitrogen, providing reduced nitrogen species for vegetative cells.
D)The heterocyst denitrifies the environment, producing nitrogen gas for vegetative cells.
Explanation / Answer
The heterocyst fixes nitrogen, providing reduced nitrogen species for vegetative cells.
The nitrogen is fixed by heterocyst in low nitrogen environment for biosynthesis. This nitrogen is fixed from dinitrogen which is present in the environment by utilizing nitrogenase enzyme.
C)The heterocyst fixes nitrogen, providing reduced nitrogen species for vegetative cells.
The nitrogen is fixed by heterocyst in low nitrogen environment for biosynthesis. This nitrogen is fixed from dinitrogen which is present in the environment by utilizing nitrogenase enzyme.
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