Question

Chem 309 F17 Take Home Quiz 14 -Metabolism Caka the LAST take home Quiz for Chem 309) 1. RBCs are produced from stem cells in the bone marrow. When RBCs mature, they discard their DNA and mitochondria to make room for more hemoglobin. 1 have no nucleus, no DNA, and do not divide. a) What important energy producing biochemical pathways occur in mitochondria b) Without mitochondria, what pathway is used by RBCs to produce energy 2. The reactions for two important compounds in the electron transport chain are shown below a) Name them: NAD', NADH or Coenzyme Q, Coenzyme QH2 Hint: Look c at the chemical structures to find the differences b) Label each one of the coenzymes as an oxidizing agent or reducing agent. c) Label the reaction arrows with IHl or IO. Reaction 1 a) H. H c) O. HO O O-P-O b)

Answer 1

tH th uchc) 시 ト Njcohinamide nuckotide NAO H