Question

The release of this ion from the N-lobe of a protein that binds to it is mediated by a pair of hydrogen bonded lysines called the ■END■

ANSWER: iron (III) ("iron three") [or Fe3+ ("F-E three plus”)]; or Fe (III); accept answers referring to Fe or iron with a +3 charge or oxidation state; accept ferric iron before "ferric"; prompt on iron or iron ion or Fe with "in what oxidation state?"; reject “ferrous iron”]
<Chen, Biology>
= Average correct buzz position

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Buzzes

PlayerTeamOpponentBuzz PositionValue
Adam SilvermanLabour's Lost LoversClark A9110
Kevin WangTriple Round Robin LoversJeffrey and Dahmers11410
Mason YuJason LoversClark B128-5
Derek FinoClark BJason Lovers14510

Summary

2024 ESPN @ Chicago03/23/2024Y683%50%50%89.20
2024 ESPN @ Columbia03/23/2024Y667%0%67%134.25
2024 ESPN @ Duke03/23/2024Y2100%0%50%108.00
2024 ESPN @ Brown04/06/2024Y3100%0%33%116.67
2024 ESPN @ Cambridge04/06/2024Y2100%0%100%134.00
2024 ESPN @ Online06/01/2024Y4100%0%0%96.25