ATP is a source of free energy that drives unfavorable reactions. Which of the f

Question

ATP is a source of free energy that drives unfavorable reactions. Which of the following processes are coupled to the dephosphorylation of ATP? reversible isomerization of glucose-6-phosphate to fructose-6-phosphate during glucose catabolism anabolism of amino acids membrane transport that maintains Na+ levels in cells myosin action during muscle contraction the exergonic hydrolysis of creatine phosphate One reason that ATP is a source of energy is that the products of ATP hydrolysis have less free energy than the reactants. Why? (There will be more than one correct answer.) hydrogen bonding between free phosphate and water electrostatic repulsion in ATP resonance stabilization of free phosphate formation of ion pairs involving ATP

Explanation / Answer

1. a.) --> Myosin requries dephoshorylation of ATP for its action in muscle contraction --> Membrane transport of Na ions inside the cells require dephoshorylation of ATP. --> Anabolism of amino acids also require dephosphorylation of ATP b.) electrostatic repulsion in ATP resonance stabilization of free phosphate 2. Lactose Galactose Glucose

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