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METABOLISM JEOPARDY

METABOLISM JEOPARDY - ATP and Free Energy-100 How can a...

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ATP and Free Energy-100 How can a reaction with a positive ΔG’° go forward in living cells? High concentration of reactants, low concentration of products OR couple to a reaction with a negative ΔG
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ATP and Free Energy-200 From NADH to Fe 3+ Which way will electrons flow in this system? Fe 3+/Fe 2+ E’ = 0.7V NAD+/NADH E’ = -0.3V
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ATP and Free Energy-300 If an enzyme couples the following 2 reactions, what is the net energy release? ATP + H 2 O ADP + P i ΔG’° = -30 kJ/mol Glc 6-P + H 2 O Glc + P i ΔG’° = -14 kJ/mol -16 kJ/mol Glc + ATP Glc 6-P + ADP This reaction is catalyzed by hexokinase.
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ATP and Free Energy-400 Relieves repulsion Phosphate product is resonance-stabilized Proton product is quickly removed by buffer Increases entropy (2 molecules become 3) Give two reasons why the hydrolysis of ATP is so favorable.
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ATP and Free Energy-500 If the concentration of reactant is greater than product at equilibrium under standard conditions, is ΔG’° positive or negative? Positive [P]/[R] < 1 so K eq < 1 log K eq will be negative ΔG’° = -2.3 RT log K eq will be positive
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Glycolysis-100 How many carbons does pyruvate have?
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