Entrar

The energy stored by a structure and location of matter in space is called potential energy. For instance, raising a kettlebell changes its spatial location and increases its potential energy. Similarly, a stretched rubber band contains potential energy which, under certain conditions, can be converted into other forms of energy, such as kinetic energy.

Chemical bonds that form attractive forces between atoms also contain potential energy, called chemical energy. When a chemical reaction occurs, this energy is converted into other forms of energy.

For example, plants and other photosynthetic organisms convert solar energy into chemical energy in food, which is stored in macronutrients such as carbohydrates, fats, and proteins. When other organisms consume the food, the macronutrients are metabolized, releasing energy-rich molecules of adenosine triphosphate (ATP).

The potential energy in the bonds of ATP molecules is used to power many biochemical reactions within the cell to maintain bodily functions. For example, the California condor (Gymnogyps californianus) uses chemical energy derived from the macronutrients in their food to fly as high as 15,000 feet.

Tags
Potential EnergyStored EnergyWorkKinetic EnergyChemical BondsAtomsFlavor CompoundSugarsCarbon DioxideWaterATPStructure Of MatterSpatial LocationKettlebellRubber BandAttractive ForcesChemical EnergyChemical ReactionSolar EnergyMacronutrientsCarbohydratesFatsProteins

Do Capítulo 7:

article

Now Playing

7.5 : Potential Energy

Metabolism

38.0K Visualizações

article

7.1 : What is Metabolism?

Metabolism

111.6K Visualizações

article

7.2 : First Law of Thermodynamics

Metabolism

60.0K Visualizações

article

7.3 : Second Law of Thermodynamics

Metabolism

56.0K Visualizações

article

7.4 : Kinetic Energy

Metabolism

38.3K Visualizações

article

7.6 : Free Energy

Metabolism

47.3K Visualizações

article

7.7 : Activation Energy

Metabolism

77.4K Visualizações

article

7.8 : Hydrolysis of ATP

Metabolism

73.7K Visualizações

article

7.9 : Phosphorylation

Metabolism

48.9K Visualizações

article

7.10 : Induced-fit Model

Metabolism

79.3K Visualizações

article

7.11 : Enzyme Kinetics

Metabolism

94.4K Visualizações

article

7.12 : Enzyme Inhibition

Metabolism

77.0K Visualizações

article

7.13 : Feedback Inhibition

Metabolism

53.1K Visualizações

article

7.14 : Allosteric Regulation

Metabolism

56.7K Visualizações

article

7.15 : Cofactors and Coenzymes

Metabolism

80.1K Visualizações

JoVE Logo

Privacidade

Termos de uso

Políticas

Pesquisa

Educação

SOBRE A JoVE

Copyright © 2025 MyJoVE Corporation. Todos os direitos reservados