Question

in 4 passes of the TCA cycle, how many net molecules of Oxaloacetate are produced 16 20 There is no net production of oxaloacetate

Answer 1

Answer: There is no net production of oxaloacetate

Comment: The TCA cycle start with condensation of acetyl group (of acetyl-CoA) and oxaloacetate to for intermediate and ultimately oxaloacetate is generated. SO the reaction starts with one oxaloacetate and at the end of the reaction, one oxaloacetate is generated. So there is no change in the oxaloacetate molecule. So the net change is zero even four cycles of TCA too.

See figure

suurata Ansder -There is no net broduetion O xaloa cetet Comment COA Oraloae elet Citrate Gtvic oid ouel Cis- Atonitae the aud al ar aret