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In any transfer of energy or conversion of energy from one form to another, the total amount of energy does not change. The total amount of usable energy, however, always decreases.

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12y ago
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6y ago

Essentially all usable energy eventually becomes heat which then flows to the environment increasing the total entropy of the universe.

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Q: What happens to usable energy?
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How is energy made available by chemical reactions and describe what happens to usable energy?

When a chemical reaction breaks a bond there is a release of the energy that was used to form the bond. This usable energy drives the motion of the cell, usually in the mitochondria of a cell.


What is the goal of metabolism?

to produce usable energy


Does the second Law of Thermodynamics contradict the First Law?

Not at all. The First Law states that energy is conserved - you can't create energy out of nothing, or make it disappear. The Second Law distinguishes usable from unusable energy, and states that the amount of unusable energy will increase over time - but the total (usable plus unusable energy) will still remain constant.Not at all. The First Law states that energy is conserved - you can't create energy out of nothing, or make it disappear. The Second Law distinguishes usable from unusable energy, and states that the amount of unusable energy will increase over time - but the total (usable plus unusable energy) will still remain constant.Not at all. The First Law states that energy is conserved - you can't create energy out of nothing, or make it disappear. The Second Law distinguishes usable from unusable energy, and states that the amount of unusable energy will increase over time - but the total (usable plus unusable energy) will still remain constant.Not at all. The First Law states that energy is conserved - you can't create energy out of nothing, or make it disappear. The Second Law distinguishes usable from unusable energy, and states that the amount of unusable energy will increase over time - but the total (usable plus unusable energy) will still remain constant.


What usable energy is created during the energy transformation that occurs inside a mitochondrion?

ATP


What is the name of the usable energy form that is used by the animal cell?

ATP