How does photosynthesis in C4 plants differ from the process in C3 plants?
Answer to relevant QuestionsWhy is it advantageous to tropical plants to use the C4 rather than the C3 fixation pathway? Diagram the reactions involving glutamate dehydrogenase and glutamine synthetase that produce glutamine from ammonia and a-ketoglutarate. Argue logically that the urea cycle should not have evolved. Then, logically counter your argument. Describe the nitrogenase complex. How is the enzyme organized? What are its unique components? Alcoholics tend to be malnourished, with thiamine deficiency being a particularly severe problem. Suggest a reason why this is so.
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