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Nitrogen Fixation and Photosynthesis

Nitrogen Fixation and Photosynthesis
In the presence of carbon monoxide, nitrogen fixation

none of these
decreases
inhibits
increases

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Nitrogen Fixation and Photosynthesis
During nitrogen fixation the enzyme nitrogenase catalyse the reaction. The reaction is high energy demanding which require approximately

18 ATP
25 ATP
12 ATP
7 ATP

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Nitrogen Fixation and Photosynthesis
What is the metal ligand in chlorophylls?

Magnesium (Mg)
Iron (Fe)
Copper (Cu)
Manganese (Mn)

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Nitrogen Fixation and Photosynthesis
Chlorophyll is associated with

thylakoids
cristae
matrix
stroma

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Nitrogen Fixation and Photosynthesis
Plants absorb nitrates from soil and convert them into

urea
none of these
nitrogen
ammonia

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Nitrogen Fixation and Photosynthesis
What type of long chain alcohol is esterified to plant chlorophyll molecules?

Dolichol
None of these
Phytol
Farnesol

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