His ionisation series

1------pK1-----pKr--------pKr------14

TLS Online TPP Program

#Id: 4007

#Unit 2. Cellular Organization

Matrix-associated regions (MARs) may be identified by characterizing the DNA retained by the matrix isolated in vivo (left) or by identifying the fragments that can bind to the matrix from which all DNA has been removed (right).

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#Id: 2097

#Unit 8. Inheritance Biology

Duplications and deletions often arise from unequal crossing over.

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#Id: 9089

#Unit 4. Cell Communication and Cell Signaling

ADP-ribosylation blocks the GTPase activity of Gαs and renders Gαs permanently active. 

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#Id: 4646

#Unit 13. Methods in Biology

Diphenyltetrazolium bromide, a yellow tetrazole is reduced by metabolically active cells to form insoluble, purple formazan dye crystals detected at 570nm

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#Id: 1619

#Unit 4. Cell Communication and Cell Signaling

IL-10 and TGF-β regulate inflammation.