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Nitrogen Fixation and Photosynthesis

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

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

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

carbon dioxide
organic compounds
none of these
elementary carbon

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

Oxaloacetate
Alpha-ketoglutarate
Pyruvate
Malate

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

Nitrospina
Nitrobacter
Nitrosococcus
Nitrosobacter

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

photosynthetic
autotrophic
heterotrophic
prokaryotic

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Nitrogen Fixation and Photosynthesis
Chlorophyll is associated with

cristae
thylakoids
stroma
matrix

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