How are the two redox reactions of b-oxidation different from their counterparts in fatty-acid synthesis?
Answer to relevant QuestionsIn fatty-acid synthesis, malonyl-CoA, rather than acetyl-CoA, is used as a “condensing group.” Suggest a reason for this. Describe some similarities between the electron transport chains in chloroplasts and in mitochondria. The oxidation of water requires four electrons, but chlorophyll molecules can transfer only one electron at a time. Describe how these two statements can be reconciled. List three ways in which the structure of chlorophyll differs from that of heme. Will an amino acid be glucogenic or ketogenic if it is catabolized to the following molecules? (a) Phosphoenolpyruvate (b) a-Ketoglutarate (c) Succinyl-CoA (d) Acetyl-CoA (e) Oxaloacetate (f) Acetoacetate
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