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Nitrogen Fixation and Photosynthesis

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

increases
decreases
none of these
inhibits

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Nitrogen Fixation and Photosynthesis
Nitrosomonous and Nitrobacter obtain their carbon for growth from

none of these
elementary carbon
carbon dioxide
organic compounds

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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
Alpha-ketoglutarate
Ribulose-l,5-diphosphate

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

moulds
roundworms
yeasts
bacteria

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Nitrogen Fixation and Photosynthesis
Chlorophyll is associated with

cristae
thylakoids
matrix
stroma

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Nitrogen Fixation and Photosynthesis
The chief source of nitrogen for green plants is

nitrates
ammonium salts
low molecular weight- organic nitrogenous compound
atmospheric nitrogen

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