in rapidly growing tumor cells exhibiting high glucose catabolic rates , the enzyme hexokinase is markedly elevated and bound in large amounts ( 50-80 % of the total cell activity ) to the outer mitochondrial membrane ( arora , k.k. , and pedersen , p.l . ( 1988 ) j. biol . chem . 263 , 17422-17428 ; parry , d.m. , and pedersen , p.l . ( 1983 ) j. biol . chem . 258 , 10904-10912 ) .
C0007634
cell
C0230839
outer mitochondrial membrane