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What are the main types of cellular work? How does ATP provide the energy for this work?
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7. Energy and Metabolism
ATP
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How is energy released from ATP?
A
By the hydrolysis of the terminal phosphate group
B
By the addition of a phosphate group
C
By the oxidation of the adenine base
D
By the conversion of ATP to ADP and AMP
Guida verificata passo dopo passo1
Understand the structure of ATP (adenosine triphosphate), which consists of an adenine base, a ribose sugar, and three phosphate groups.
Recognize that ATP is a high-energy molecule due to the presence of three phosphate groups, particularly the terminal phosphate group, which is unstable.
Learn that energy is released from ATP through a process called hydrolysis, where the terminal phosphate group is cleaved off. This reaction converts ATP to ADP (adenosine diphosphate) and an inorganic phosphate (Pi).
The hydrolysis of ATP can be represented by the chemical equation:
Understand that the energy released during the hydrolysis of ATP is used by cells to perform various functions, such as muscle contraction, active transport, and chemical synthesis.
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