Given a table with the following: Oxidant Reductant Electrons Transferred Redox

Question

Given a table with the following:

Oxidant       Reductant        Electrons Transferred      Redox Potential

NAD           NADH           2 E.= -.32

Flavoprotein Ox   Flavoprotein Red         2                    E.= -.62

Cytrochrome C +3    Cytochrome C +2         1                E.= +.22

Ferroprotein Ox Ferroprotein Red               2                 E.= +.85

Flavoprotein Ox Flavoprotein Red.    2    E.= +.77

a)Predict the sequence of the carriers in the electron-transport chain

(b)How many molecules of ATP can be generated under standard conditions when a pair of proteins is transported along the pathway

(c)Why is it unlikely that oxygen is the terminal electron acceptor?

Explanation / Answer

A.) Sequence of carriers in the ETC:

Flavoprotein Red ( E:-0.62)----> NADH------> Cytochrome C------> Flavoprotein Red ( E: +0.77)---> Ferroprotein Red

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