• anonymous
PLEASE HELP NAD+ functions as a (an) ____________. high energy molecule a source of reduction potential electron carrier none of these all of these
  • Stacey Warren - Expert
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  • schrodinger
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  • Photon336
|dw:1440971636454:dw| for starters here is NAD and NADH
  • Photon336
if you look at both structures you can clearly see that the nitrogen, well i should have put this before in NAD+ has a positive charge on it. that nitrogen has a formal charge of +1 so I would say that this is electron deficient. i think formal charge let's us see this, off the top of my head it's this. #of valence electrons- 1/2 number of bonding electrons - non bonding electrons. [valence -(1/2)bonding-nonbinding electrons] 5-(1/2)(8)-(0) = +1 NADH however has something interesting, you see that nitrogen has a formal charge of 0, and it has two electrons sitting perfectly on it. So the difference between NADH is that NAD+ has lost two electrons. We call a loss of electrons to be oxidation while a gaining of electrons to be reduction. so NAD+ is oxidized while NADH is reduced. I would say that both are high energy, because like high energy means you need to have a ribose+ phosphate groups.. don't quote me on that. well NAD+/NADH is a reduction potential I believe. the most clear function of NAD+ is that it can act as an electron acceptor, I'll try to show you why.
  • Photon336
|dw:1440972294720:dw| I think this is how you get nadh

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