The Overall Reduction of One N2 Molecule Requires

Q29: The most abundant biological catalyst is _.<br>A)

Q30: What were the first organisms that had

Q31: _ carries electrons between PSII and PSI.<br>A)

Q32: In the Calvin cycle, _ is "fixed"

Q33: Fixation of one molecule of CO₂ in

Q34: Although not completely clear, nitrogenase moves electrons

Q35: During photosynthetic electron transport, protons are pumped

Q36: Which is true about the differences between

Q38: Diazotrophs<br>A) may be free-living cyanobacteria<br>B) may be

Q39: Cytochrome b₆f is most similar to mitochondrial