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There are several different ways that Cells can make ATP from ADP and inorganic phosphate (Pi). One of the more common ways is when the phosphate group is transferred to ADP from a molecule that is more energetic than ATP. This form of biosynthesis is called substrate-level phosphorylation. The formation of ATP is coupled to the removal of a phosphate group from another molecule

When glucose is being synthesized (gluconeogenesis), the reaction goes from right to left and a molecule of ATP is used up to create 1,3-bis phosphoglycerate. During glycolysis, when glucose is being broken down, the reaction goes from left to right and a molecule of ATP is produced when the phosphate group on 1,3-bis phosphoglycerate is transferred to ADP.

This is an example of ATP synthesis by substrate-level phosphorylation. It is one of two such reactions in glycolysis and is the main reason why the degradation of glucose can be used to produce useful energy. For example, when glucose is taken up from the blood stream by muscle cells and degraded to produce ATP that can be used in muscle contraction.

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What must be present when electron transfer and ATP synthesis occur?

all of the electron transport proteins as well as ATP synthase


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In order for electron transfer and ATP synthesis to continue after the first disruption, an intact electron transport chain and a functioning ATP synthase enzyme must be present. The electron transport chain allows for the movement of electrons, while ATP synthase uses the energy generated from this flow of electrons to produce ATP.


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Because ATP is present due to oxidation.


What ions must a plant obtain from soil in order to make ATP?

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What atoms have to be removed to make the ATP molecule?

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Is glucose a reactant in respiration?

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Which cellular structure is responsible for the production of ATP in eukaryotic cells?

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What element must be present for both steps of cellular respiration to occur?

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What charge might be present in the ATP binding site of a protein to attract ATP?

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There must be an input of energy from ATP.