Chapter 20 - ATP and Activation Energy

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Biology

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9 Terms

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the main type of work cells do

transport, chemical, and mechanical

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ATP

adenosine triphosphate, break bonds to release energy and rebuild bonds, has high energy but is easy to break

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phosphoanhydride bonds

connect 3 phosphates

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ADP

forms when one phosphate is removed from ATP

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energy carriers

act as a middleman to deliver energy within a cell, ATP is an example

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energy transfer through redox reactions

when an electron is gained or lost energy will be either gained or lost

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activation energy (EA)

initial energy input, all reactions require it

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catalyst

lower activation energy to speed up reactions

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AMP

formed when ATP loses 2 phosphates or when ADP loses 1 phosphate