Upon illumination, the flow of protons from the stroma into the thylakoid lumen is coupled to the release of Mg2+ from the intra thylakoid space to the stroma. These light actuated ion fluxes decrease the stromal concentration of protons (the pH increases from 7 to 8) and increase that of Mg2+ by 2 to 5 mM. 

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#Id: 6143

#Unit 3. Fundamental Processes

Cleavages are made on either side of the lesion by endonucleases encoded by the XPG and XPF genes. XPG is related to an endonuclease called FEN1 that cleaves DNA during the base excision repair pathway

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#Id: 9009

#Unit 6. System Physiology – Plant

The assembly chaperone (RbcX)2 help to fold RUBISCO

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#Id: 6671

#Unit 3. Fundamental Processes

Major U2-type or GU-AG introns

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#Id: 2815

#Unit 13. Methods in Biology

HIC column is made up of phenyl-Sepharose, where phenyl groups are bonded to the insoluble support Sepharose.

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#Id: 1010

#Unit 5. Developmental Biology

In mammals, the conversion of the genital ridge into the bipotential gonad requires, among others, the Sf1, Wt1, and Lhx9 genes.