Question: The oxidation of glucose produces NADH that is oxidized by the electron transport chain. What compound is the terminal electron acceptor of the electrons carried by NADH?
-O2
-FAD
-H2O
Question: pKa values 9.4 and 2.3
Which statement best describes the acid/base properties of guanine?
-at pH, guanine will be negatively charge
-at pH, guanine will be neutral
-it will be an effective buffer against a base
-it will be an effective buffer against an acid
Question: Determine when glucagon binds its receptor there is an increase in the second messenger, cAMP. cAMP levels can be decrease by which of the following enzymes?
-adenylate cyclase
-PDK1
-phosphodieterase
Question: Under conditions when a cell only needs to use the nonoxidative portion of the Pentose Phosphate pathway to synthesize ribose-5-phosphate, the elevated levels of NADPH in the cell will inhibit which of the following enzyme?
-transaldese
-alpha ketoglutrate dehydrogenase
-transketolase
-G-6-phosphate dehydrogenase