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S7. Draw the structure of three different classes of “high-energy” bond/linkage in “high-energy” compounds. HINT: ATP...

S7. Draw the structure of three different classes of “high-energy” bond/linkage in “high-energy” compounds. HINT: ATP and GTP are in the SAME class.

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Answer #1

High energy compounds:
Also known as energy rich compounds.
They release free energy during hydrolysis and are coupled to drive many biological endergonic reactions.

Examples:
1. Pyrophosphates
2. Enol phosphates
3. Acyl phosphates
4. Phosphagens
5. Thiol phosphates

ATP has two high energy acid anhydride bonds.
Phosphoenol pyruvate has one high energy bond (Phosphate group attached to -OH group of the second carbon)
1,3-bisphosphoglycerate has one high energy bond (Phosphate group attached to -CO group)
Acetyl CoA has one high energy bond (Phosphate group attached to -CO group)

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