Which of the following microorganisms is a free-living, aerobic, chemoorganotrophic nitrogen fixer?

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#Question id: 40173

#Environmental Science

"Eutrophication" in a water body is primarily caused by the excess enrichment of:

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#Question id: 40174

#Environmental Science

In the context of plate tectonics, the San Andreas Fault is an example of which type of plate boundary?

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#Question id: 40175

#Applied Microbiology

Which of the following best describes the mechanism of ATP production during glycolysis?

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#Question id: 40176

#Applied Microbiology

The majority of ATP produced in aerobic cellular respiration comes from ________, whereas ________ produces a smaller amount directly from chemical intermediates.

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#Question id: 40177

#Applied Microbiology

In the Citric Acid Cycle, the conversion of Succinyl-CoA to Succinate yields a molecule of GTP (which is converted to ATP). This is an example of: 

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#Question id: 40178

#Applied Microbiology

In the following question, a statement of Assertion (A) is followed by a statement of Reason (R). Choose the correct option.

Assertion (A): Substrate-level phosphorylation can occur in the absence of oxygen (anaerobic conditions).

Reason (R): This process relies on the creation of a proton gradient across the mitochondrial membrane to generate ATP.