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Phosphorylation

phosphorylation

(Science: biochemistry) The creation of a phosphate derivative of an organic molecule. This isusually achieved by transferring a phosphate group from aTP. The process of adding a [[phosphate to a molecule, and occurs in [[respiration and [[photosynthesis.


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What does describe mean in this question?

... substrates of mitotic Cyclin-Dependent Kinases (CDKs) associated with the reorganization of the nuclear membrane during mitosis. Explain how the phosphorylation of these proteins affects their function and cell progression through mitosis. I have found the three substrates but I don't what is ...

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by TToe
Mon Feb 18, 2013 10:33 am
 
Forum: Cell Biology
Topic: What does describe mean in this question?
Replies: 1
Views: 143

RNA

Ques1: Phosphorylation of RNA pol which are the roles of the phosphorylaton of C terminal Domain of RNA polymerase? (more than one may apply) 1. It increases the speed of transcription 2. It increase the specificity of the transcription ...

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by 2468
Tue Nov 20, 2012 6:03 pm
 
Forum: Molecular Biology
Topic: RNA
Replies: 2
Views: 705

Enzymes

Assuming you mean regulation of rate of one enzyme, then you're interested in things such as posttranslational regulation (phosphorylation). As jonmoulton mentioned, allosteric regulators are important.

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by JackBean
Tue Aug 21, 2012 9:15 pm
 
Forum: Molecular Biology
Topic: Enzymes
Replies: 23
Views: 9442

hexokinase conformation

Hi, I've been researching the phosphorylation of glucose, catalysed by hexokinase - reaction 1 of glycolysis. I've found plenty of pdb structures in the protein data bank, but not found any showing the enzyme conformation with glucose binding. ...

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by andrewJM
Sat Jul 21, 2012 4:45 pm
 
Forum: Molecular Biology
Topic: hexokinase conformation
Replies: 0
Views: 824

Chemiosmosis, the movement of hydrogen ions to make ATP, was

... molecules of ATP are formed in cellular respiration due to chemiosmosis D. Hydrogen ions build up as a result of the electron transport chain E. Phosphorylation (the addition of phosphate to ADP) occurs as a result of the movement of hydrogen ions across the membrane through ATP synthase F. Glucose ...

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by rurutashy
Thu May 31, 2012 12:17 am
 
Forum: Cell Biology
Topic: Chemiosmosis, the movement of hydrogen ions to make ATP, was
Replies: 1
Views: 3056
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