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Energy
Lessons:
Photosynthesis
Cell Respiration
Organism Respiration
Producers-Consumers Decomposers
Natural Cycles
Activities
Quiz
Cell Respiration
Cellular respiration involves all those processes or reactions, controlled by specific
enzymes, in which the chemical bond energy in organic molecules such as glucose, is converted
to a form more usable by the organism. This chemical energy is usually stored in the
energy-carrier, ATP (adenosine triphosphate).
The energy stored in this molecule can be released when needed by the cells through a
process called hydrolysis. In hydrolysis, ATP
is broken down, releasing energy and forming ADP and phosphate. The energy can then be
used for the cells’ metabolic processes. However, the process must also be reversible in
order to store more energy for future use. The equations below demonstrate both processes.
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Photosynthesis
Cell Respiration
Cellular respiration involves all those processes or reactions, controlled by specific
enzymes, in which the chemical bond energy in organic molecules such as glucose, is converted
to a form more usable by the organism. This chemical energy is usually stored in the
energy-carrier, ATP (adenosine triphosphate).
The energy stored in this molecule can be released when needed by the cells through a
process called hydrolysis. In hydrolysis, ATP
is broken down, releasing energy and forming ADP and phosphate. The energy can then be
used for the cells’ metabolic processes. However, the process must also be reversible in
order to store more energy for future use. The equations below demonstrate both processes.
