How is nitrogen fixed (converted from N2 to NH4+)? How is it subsequently assimilated into organic compounds?
Answer to relevant QuestionsWrite an equation for the net reaction of the urea cycle. Show how the urea cycle is linked to the citric acid cycle. Biochemical coNNectioNs How is the importance of folic acid related to chemotherapy? Describe the nitrogenase complex. How is the enzyme organized? What are its unique components? Most calcium supplements have calcium carbonate as the main ingredient. Other supplements that have calcium citrate as the main ingredient are advertised as being more easily absorbed. Do you consider this a valid claim? ...The epinephrine-mediated “amplification cascade” of Figure 24.14 has six steps, all of which are catalytic with one exception. This cascade leads to the activation of glycogen phosphorylase. This enzyme acts in turn on ...
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