Production of NADH by glycolysis requires an input of the oxidized molecule NAD Where does this supply of NAD
^( )
come from in the absence of oxygen? a) none of the options are correct b) There is a ready supply of
NAD^( )
from the cytoplasm. c) It is regenerated by Fermentation (reducing pyruvate to ethanol or acid). d) It is transferred from the citric acid cycle, which is not function lack of oxygen.