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Nitrogen Fixation and Photosynthesis

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
A major plant macronutrient found in nucleic acids and proteins is

nitrogen
calcium
iron
sulphur

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Nitrogen Fixation and Photosynthesis
Organisms capable of converting N2 to NO3 are

bacteria
moulds
yeasts
roundworms

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

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

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

Farnesol
Phytol
Dolichol
None of these

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Nitrogen Fixation and Photosynthesis
Which of the following bacteria genus is capable of oxidizing ammonia (NH4)?

Nitrosobacter
Nitrospina
Nitrobacter
Nitrosococcus

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