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Nitrogen Fixation and Photosynthesis

Nitrogen Fixation and Photosynthesis
A major plant macronutrient found in nucleic acids and proteins is

iron
sulphur
nitrogen
calcium

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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

7 ATP
12 ATP
25 ATP
18 ATP

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Nitrogen Fixation and Photosynthesis
In the Calvin cycle of C3 plants, which molecule is the acceptor of CO2?

Erythrose-4-phosphate
Ribose-5-phosphate
Ribulose-l,5-diphosphate
Alpha-ketoglutarate

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

Farnesol
Dolichol
Phytol
None of these

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Nitrogen Fixation and Photosynthesis
Which of the following molecule is produced from the fixation of CO2 in C4 plants?

Alpha-ketoglutarate
Pyruvate
Oxaloacetate
Malate

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Nitrogen Fixation and Photosynthesis
Chlorophyll is associated with

thylakoids
cristae
matrix
stroma

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