BIOL 212 EXAM 2 HIGH-YIELD TOPICS SUMMARY 2026

BIOL 212 EXAM 2 HIGH-YIELD TOPICS
SUMMARY 2026

◉ how is glycolysis regulated?
Answer: feedback inhibition
High levels of ATP inhibit phosphofructokinase


◉ pyruvate processing happens where
Answer: in mitocondrial matrix or cytosol (of prokaryotes)


◉ in pyruvate processing, what is the output?
Answer: acetyl CoA and CO2


◉ net yield of pyruvate processing
Answer: 2 AcetylCoA, 2 CO2, 2 NADH


◉ how is pyruvate processing regulated?
Answer: feedback inhibition
when abundant products of glycolysis/pyruvate processing,
pyruvate dehydrogenase is phosphorylated which inhibits

, ◉ where does the citric acid cycle occur?
Answer: in mitocondrial matrix orcytosol (of prokaryotes)


◉ what happens in the citric acid cycle
Answer: each acetyl CoA is oxidized to produce CO2


◉ net yeild of citric acid cycle
Answer: 4 CO2, 6 NADH, 2 FADH2, 2 ATP


◉ how is citric acid cycle regulated?
Answer: several methods of feedback inhibition


◉ are the reaction rates in citric acid cycle the same/opposite as the
amount of ATP/NADH?
Answer: opposite
low atp, nadh = high rxn rates


◉ what act as election shuttles in citric acid cycle?
Answer: nadh and FADH2 because they are high energy
intermediates


◉ where does electron transport chain occur