ATP 4.1

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What is the full name of ATP?
Adenosine triphosphate
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What is ATP known as and why? What does this tell us?
Universal energy carrier - Provides energy for all living organisms - All living organisms had a common ancestor with ATP
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Structure of ATP (4)
Nucleotide; 3 phosphates, 5 carbon sugar (ribose), Adenine
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How ATP is formed and Enzyme
Reversible reaction - ATP + Water ADP + Pi + Energy. ATPase.
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Addition of a phosphate
Phosphorylation
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Types of Phosphorylation using electron transport
Oxidative and Photo. Not Substrate level (phosphate transferred from donor group to ADP)
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Why does ATP release energy in steps
Energy transfer is inefficient and releases heat. In one step the heat would destroy the cell.
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How does ATP store energy
Endergonic reaction to add a phosphate to ATP. When hydrolised ATP releases this energy as it becomes ADP
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Uses/Advantages of ATP
A single reaction releases energy, Only one enzyme required, Releases small amounts of energy when needed, Soluble in cytoplasm...add more
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Roles of ATP
Active transport, Metabolic processes (complex molecules from simple e.g DNA synthesis from nucleotides), Movement, Nerve transmission, Secretion (Packaging/transport of products into vesicles)
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Other cards in this set

Card 2

Front

What is ATP known as and why? What does this tell us?

Back

Universal energy carrier - Provides energy for all living organisms - All living organisms had a common ancestor with ATP

Card 3

Front

Structure of ATP (4)

Back

Preview of the front of card 3

Card 4

Front

How ATP is formed and Enzyme

Back

Preview of the front of card 4

Card 5

Front

Addition of a phosphate

Back

Preview of the front of card 5
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