Biology Chapter 10
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Biology Chapter 10
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Free Flashcard From Biology Chapter 10
Question:
Why does the oxidation of organic compounds by molecular oxygen to produce CO2and water release free energy?
A) The covalent bonds in organic molecules are higher energy bonds than those in water and carbon dioxide.
B) Electrons are being moved from atoms that have a lower affinity for electrons (such as C) to atoms with a higher affinity for electrons (such as O).
C) The oxidation of organic compounds can be used to make ATP.
D) The electrons have a higher potential energy when associated with water and CO2than they do in organic compounds.
E) The covalent bond in O2is unstable and easily broken by electrons from organic molecules.
Answer:
B) Electrons are being moved from atoms that have a lower affinity for electrons (such as C) to atoms with a higher affinity for electrons (such as O).