When ADP is converted to ATP, the new phosphate is added to which position on the molecule?
1 answer:
⁻D
The illustration shows an ADP molecule. Adding of a phosphate at position A created ATP
Explanation
It takes a relatively high amount of energy to add the phosphate because it creates a less stable molecule, ATP is less stable than ADP. Part of the reason is because of the closeness, in space, of the O⁻ groups of the phosphates molecules. Their proximity to each other results in repulsion force that make phosphate bond unstable. However this provides an advantage to ATP as a cell energy molecule because it can be easily hydrolyzed back to ADP and this phosphate bond energy harnessed by the cell’s biochemical activities.
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