NBME BIOCHEMISTRY SHELF EXAM 2026
PRACTICE TEST PACK COMPLETE SOLUTIONS
VERIFIED INSIGHTS
◉ enterokinase
Answer: activates trypsinogen; trypsin activates chymotrypsin,
procolipase, procarboxypeptidase, and proelastase
◉ arsenic
Answer: pyruvate dehydrogenase ib; smell of garlic
◉ Which GLUT is insulin-dependent?
Answer: GLUT4; found in muscle & adipose
◉ What is the role of F2,6BP?
Answer: role player for insulin; increases glycolysis for FA synth and
glycogen synthesis
◉ What is significant about glucokinase?
Answer: K_m is above fasting concentration, V_max is very high
, ◉ What promotes lactate buildup?
Answer: ^ NADH/NAD+
◉ Where does lactate build up?
Answer: eyes, testes, RBC's
◉ What is the rate-limiting step of glycolysis?
Answer: PFK, allosterically activated by F2,6BP
◉ Def in pyr kinase leads to...
Answer: 2,3BPG, G6P elevation due to ^ PEP
◉ What steroid can be used to treat beta-blocker overdose?
Answer: glucagon
◉ Which form of aldolase is liver-specific?
Answer: B
◉ triose phosphate isomerase
Answer: G3P <-> DHAP; DHAP - component of glycerol phosphate
shuttle
PRACTICE TEST PACK COMPLETE SOLUTIONS
VERIFIED INSIGHTS
◉ enterokinase
Answer: activates trypsinogen; trypsin activates chymotrypsin,
procolipase, procarboxypeptidase, and proelastase
◉ arsenic
Answer: pyruvate dehydrogenase ib; smell of garlic
◉ Which GLUT is insulin-dependent?
Answer: GLUT4; found in muscle & adipose
◉ What is the role of F2,6BP?
Answer: role player for insulin; increases glycolysis for FA synth and
glycogen synthesis
◉ What is significant about glucokinase?
Answer: K_m is above fasting concentration, V_max is very high
, ◉ What promotes lactate buildup?
Answer: ^ NADH/NAD+
◉ Where does lactate build up?
Answer: eyes, testes, RBC's
◉ What is the rate-limiting step of glycolysis?
Answer: PFK, allosterically activated by F2,6BP
◉ Def in pyr kinase leads to...
Answer: 2,3BPG, G6P elevation due to ^ PEP
◉ What steroid can be used to treat beta-blocker overdose?
Answer: glucagon
◉ Which form of aldolase is liver-specific?
Answer: B
◉ triose phosphate isomerase
Answer: G3P <-> DHAP; DHAP - component of glycerol phosphate
shuttle
