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BCH BioE & Ox Metab

Balliet Fall 2010

QuestionAnswer
____% of food energy is conserved as ATP and ____% is liberated as heat 40%, 60%
Kcal/gram fats 9
Kcal/gram carbs, proteins 4
Kcal/gram ETOH 7
carbohydrates enter TCA as what? Acetyl CoA or OAA
Lipids enter TCA as what? only acetyl CoA
What are the high energy compounds? (more E than ATP) Phosphoenolpyruvate, Phosphocreatine, 1,3 bisphoglycerate, Pyrophosphate,
What has less E than ATP? G1P, F6P, G6P
how are Large mitochondrial proteins in the inner membrane transported? Via TOM (Translocase)
mtDNA encodes __ viral subunits of the ___ & ____ 13, proton pumps and ATP synthase
Inner mitochondria mem is ____ (permeable/impermeable) to most ions and small molecules impermeable
What molecules need to be transported by transport proteins into the inner mitochondrial membrane? ATP, coenzymes, phosphate, protons
WHere are fuels oxidized to reduced nucleotides? Mitochondrial matrix
Where does electron transport take place? Inner Mitochondrial Membrane
how do cells (particularly muscle) get NADH to enter mitochondria ? Glycerol Phosphate Shuttle (DHAP shuttle)
DHAP shuttle converts ____ --> _____ NADH --> FADH2
How do liver and muscle cells get NADH into the mitochondria? Malate Aspartate shuttle
Malate Aspartate Shuttle uses what enzyme? AST aka SGOT
What happens to NADH in malate aspartate shuttle? Stays NADH
Created by: mrw2013