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Nitrogen Fixation and Photosynthesis

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

decreases
increases
none of these
inhibits

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Nitrogen Fixation and Photosynthesis
Chlorophyll is associated with

matrix
cristae
stroma
thylakoids

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

None of these
Dolichol
Phytol
Farnesol

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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

25 ATP
7 ATP
12 ATP
18 ATP

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

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

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Nitrogen Fixation and Photosynthesis
An organism that relies exclusively on pre-synthesized food molecules is

photosynthetic
heterotrophic
prokaryotic
autotrophic

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