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Questions tagged [phosphate]

Phosphates are salts of phosphoric acid. Monophosphate (or inorganic phosphate) is composed of one central phosphorus atom which is bound to four oxygen atoms.

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How many phosphates are in the 5' end of a DNA strand?

I know that the pyrophosphate of a NTP is hydrolysed so that it can create enough energy for the synthesis of DNA. But if we want to get specific we can know for sure that the 3' end of the DNA strand ...
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Why are plants unable to take up Phosphorus directly in their organic form like Phytic Acid?

I am researching acquisition strategies of phosphorus by decidious trees. I am reading a lot that plants take up nutrients as their inorganic form. In the case of P according to literature this is ...
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What is exactly a phosphoester bond? [closed]

I've spent some hours trying to understand what exactly is a phosphoester bond, but I'm still confused and at this point I just want to throw myself out of the window. I've already read that post ...
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Can emulsion test be used to detect phospholipids?

The emulsion test- causes a white cloudy colour when lipid is dissolved in ethanol and then water added. Can this be used for phospholipids? I am aware that they are polar so may arrange in a ...
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Structure of phosphates in nucleotides [closed]

Nucleotides are made up of a heterocyclic nitrogenous base, a sugar (only ribose or deoxyribose), and a phosphate. In nucleotides, obviously the nitrogenous base matters as its variations dictate the ...
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Origin of the biochemical term, Pi (inorganic phosphate)

I would like to know when the term Pi (inorganic phosphate) was introduced in the representation of biochemical reactions, how it was originally defined, and the justification given then for using it ...
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Chemistry of the phosphodiester bond in RNA

I have been learning about the chemical structure of RNA, but I can't understand why all hydrogen atoms disappear in the phosophodiester bond between the riboses of RNA. Phosphoric acid is $H_3PO_4$: ...
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Glycolysis - ATP production

In glycolysis, 2 ATP molecules are produced from each triose phosphate molecule (to give a total of 4 ATP produced; 2 net produced as 2 were initially used up in the reaction). I don't understand how ...
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Techniques for detecting phosphorylation sites in proteins?

I would like to know how phosphorylated sites in proteins are detected in practice. I read some papers where the authors were talking about mass spectrometry techniques. But my question is that why ...
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How Do Acid and Base Loving Plants Get Enough PO4?

Acidic and Basic soils experience phosphate sequestration through binding with either calcium, aluminum, or iron. How do plant that thrive in acidic and basic soils obtain the necessary phosphate? ...