EasyZoologyTCA cycle
+4 / -1
Match the columns:
A
A-(ii), B-(iii), C-(iv), D-(i)
B
A-(iii), B-(iv), C-(i), D-(ii)
C
A-(ii), B-(i), C-(iv), D-(iii)
D
A-(iii), B-(i), C-(iv), D-(ii)
Explanation
Oxidative decarboxylation occurs when pyruvate is converted into acetyl-CoA, releasing CO2 and producing NADH2, which corresponds to option (iii). Substrate-level phosphorylation involves the direct formation of ATP from ADP, as seen when phosphoenolpyruvate is converted to pyruvate in glycolysis, matching option (iv). FADH2 synthesis takes place during the conversion of succinate to fumarate in the Krebs cycle, where FAD is reduced to FADH2, corresponding to option (i). Finally, NADH2 synthesis occurs when malate is oxidized to oxaloacetate in the Krebs cycle, producing NADH2, which matches option (ii).
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