The reaction for the cleavage of fructose 1,6-bisphosphate to dihydroxyacetone phosphate and glyceraldehyde 3-phosphate is catalyzed by the enzyme fructose 1,6-bisphosphate aldolase and has a standard free energy change of δg°′ = +23.8 kj/mol.
a. what is the keq of the reaction at 37 oc? (r = 8.314 j/°mol)?
b. if the intracellular concentration of fructose 1,6-bisphosphate at equilibrium (δg = 0) was 10 mm, what would be the predicted concentration of the products?
c. in cells, the reaction catalyzed by fructose 1,6-bisphosphate aldolase readily occurs to produce dihydroxyacetone phosphate and glyceraldehyde 3-phosphate. why do you think this is the case especially since the aldolase reaction has a large positive δg°′ = 23.8 kj/mol?
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