Different thalassemias are caused by various deletions that eliminate a- or b-globin genes. The severity of the disease depends on the individual deletion.

TLS Online TPP Program

#Id: 9692

#Unit 4. Cell Communication and Cell Signaling

Insulin receptor activates the PI-3 kinase/PKB pathway

TLS Online TPP Program

#Id: 1842

#Unit 3. Fundamental Processes

Eukaryotic nuclei contain RNA polymerase I, RNA polymerase II, and RNA polymerase III can be separated by using DEAE-Sephadex ion-exchange chromatography

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#Id: 8413

#Unit 2. Cellular Organization

Troponin C is closely related to the ubiquitous 

Ca2+-binding protein calmodulin

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#Id: 4573

#Unit 8. Inheritance Biology

Duplicate gene interaction occurs in shepherds purse plant.

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#Id: 9314

#Unit 4. Cell Communication and Cell Signaling

3 or 4 cGMP molecules must bind to each channel in order to open it; because of this cooperative allosteric interaction, channel opening is very sensitive to small changes in cGMP levels.