Why does the oxidation of organic compounds (for example fatty acids and glucose

Question

Why does the oxidation of organic compounds (for example fatty acids and glucose) to CO2 and H2O release energy?

Question 6 options:

A) CO2 and H2O are high energy products of oxidation.

B) Electrons have higher potential energy when associated with H2O and CO2 than they do in organic compounds.

C) the electrons in the organic compounds are equally shared and the electrons in the products, CO2 and H2O, are unequally shared

D) the electrons in the organic compounds are unequally shared and the electrons in the products, CO2 and H2O, are equally shared

ATP provides energy to reactions or processes of the cell by which of the following mechanisms:

Question 7 options:

by the liberation of 7.3 kcal/mol of free energy, all in the form of heat, upon hydrolysis which then can be used to drive energy requiring processes

by the transfer of part of the ATP to a substrate or protein and thereby raising its free energy

both

neither

A)

by the liberation of 7.3 kcal/mol of free energy, all in the form of heat, upon hydrolysis which then can be used to drive energy requiring processes

B)

by the transfer of part of the ATP to a substrate or protein and thereby raising its free energy

C)

both

D)

neither

Explanation / Answer

1). B) Electrons have higher potential energy when associated with H2O and CO2 than they do in organic compounds.

Atoms such as oxygen (O) have higher affinity for electrones than the atoms such as C (have lower affinity for electrones). So, the electrons have higher potential energy when associated with H2O and CO2 than they do in organic compounds.

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