A larger proton gradient is required to form a single ATP in chloroplasts than in mitochondria. Suggest a reason why. Hint: Ions can move across the thylakoid mem-brane more easily than across the inner mitochondrial mem-brane.
Answer to relevant QuestionsAlbert Szent-Gyorgi, a pioneer in early photosynthesis research, stated, “What drives life is a little electric current, kept up by the sunshine.” What did he mean by this? Is water the only possible electron donor in photosynthesis? Why or why not? List three ways in which the structure of chlorophyll differs from that of heme. Which amino acids in the urea cycle are the links to the citric acid cycle? Show how these links occur Compare the fates of the products of purine and pyrimidine catabolism.
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