11. The pentose phosphate pathway is an important source of _______ and for _______ an essential precursor for ATP, NAD+, FAD, CoA, DNA and RNA.
(A) ATP; NADH,
(B) NADH; NADPH,
(C) NADPH; ribose-5-phosphate,
(D) ribose-5-phosphate; ATP,
(E) all are true.