Podcast
Questions and Answers
What is kinetic energy?
What is kinetic energy?
- Energy that cannot be created or destroyed
- Energy of motion (correct)
- Energy stored in chemical bonds
- Energy stored in the structure of matter
What is potential energy?
What is potential energy?
- Energy released during chemical reactions
- Energy that cannot be created or destroyed
- Energy stored in the location or structure of matter (correct)
- Energy of motion
What do the laws of thermodynamics state about energy?
What do the laws of thermodynamics state about energy?
- Energy is always converted into useful work
- Energy can change form but cannot be created or destroyed (correct)
- Energy is constantly increasing in the universe
- Energy always decreases in any system
What type of reactions release energy?
What type of reactions release energy?
What drives cellular work by coupling exergonic and endergonic reactions?
What drives cellular work by coupling exergonic and endergonic reactions?
What type of energy is energy stored in the location or structure of matter?
What type of energy is energy stored in the location or structure of matter?
According to the laws of thermodynamics, what happens to energy transfers or transformations?
According to the laws of thermodynamics, what happens to energy transfers or transformations?
What type of reactions require energy and yield products rich in potential energy?
What type of reactions require energy and yield products rich in potential energy?
What encompasses all of a cell’s chemical reactions?
What encompasses all of a cell’s chemical reactions?
What drives cellular work by coupling exergonic and endergonic reactions?
What drives cellular work by coupling exergonic and endergonic reactions?
Flashcards
Kinetic Energy
Kinetic Energy
Energy of motion.
Potential Energy
Potential Energy
Energy stored in the location or structure of matter.
Laws of Thermodynamics
Laws of Thermodynamics
Energy can change form but cannot be created or destroyed.
Exergonic Reactions
Exergonic Reactions
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ATP
ATP
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Potential Energy
Potential Energy
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Energy Transfers/Transformations
Energy Transfers/Transformations
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Endergonic Reactions
Endergonic Reactions
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Metabolism
Metabolism
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Study Notes
Energy Types
- Kinetic energy is the energy of motion.
- Potential energy is the energy stored in the location or structure of matter.
Laws of Thermodynamics
- The laws of thermodynamics state that energy cannot be created or destroyed, only transferred or transformed.
- During energy transfers or transformations, some energy is lost as heat and becomes unavailable to do work.
Energy Reactions
- Exergonic reactions are reactions that release energy.
- Endergonic reactions are reactions that require energy and yield products rich in potential energy.
Cellular Work
- ATP (Adenosine Triphosphate) drives cellular work by coupling exergonic and endergonic reactions.
- This coupling allows cells to harness energy released from exergonic reactions to drive endergonic reactions.
Cellular Metabolism
- Metabolism encompasses all of a cell's chemical reactions, including energy-releasing and energy-requiring reactions.
- Cellular metabolism is driven by the coupling of exergonic and endergonic reactions.
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