Glycolysis Which of the following regulates glycolysis steps? All of these Pyruvate kinase Phosphofructokinase Hexose kinase All of these Pyruvate kinase Phosphofructokinase Hexose kinase ANSWER DOWNLOAD EXAMIANS APP
Glycolysis A kinase is an enzyme that uses ATP to add a phosphate group to the substrate removes water from a double bond removes phosphate groups of substrates uses NADH to change the oxidation state of the substrate uses ATP to add a phosphate group to the substrate removes water from a double bond removes phosphate groups of substrates uses NADH to change the oxidation state of the substrate ANSWER DOWNLOAD EXAMIANS APP
Glycolysis The released energy obtained by oxidation of glucose is stored as ATP a concentration gradient across a membrane NAD+ ADP ATP a concentration gradient across a membrane NAD+ ADP ANSWER DOWNLOAD EXAMIANS APP
Glycolysis Which of the following is not a mechanism for altering the flux of metabolites through the rate-determining step of a pathway? Diffusional coupling between adjacent active sites Covalent modification of the enzyme Genetic control of the enzyme concentration Allosteric control of the enzyme activity Diffusional coupling between adjacent active sites Covalent modification of the enzyme Genetic control of the enzyme concentration Allosteric control of the enzyme activity ANSWER DOWNLOAD EXAMIANS APP
Glycolysis Why does the glycolytic pathway continue in the direction of glucose catabolism? Glycolysis occurs in either direction The enzymes of glycolysis only function in one direction High levels of ATP keep the pathway going in a forward direction There are essentially three irreversible reactions that act as the driving force for the pathway Glycolysis occurs in either direction The enzymes of glycolysis only function in one direction High levels of ATP keep the pathway going in a forward direction There are essentially three irreversible reactions that act as the driving force for the pathway ANSWER DOWNLOAD EXAMIANS APP
Glycolysis When concentration of the reactants is higher than the equilibrium concentration then the gibbs free energy will be positive the gibbs free energy will be negative both (b) and (c) more products will be formed the gibbs free energy will be positive the gibbs free energy will be negative both (b) and (c) more products will be formed ANSWER DOWNLOAD EXAMIANS APP
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