Following statements are regarding to the desensitization mechanism of GPCR.

A. Several residues in the cytosolic domain of the β-adrenergic receptor are phosphorylated by the enzyme rhodopsin kinase.

B. β-Arrestin binds to specific phosphorylated tyrosine residues in the C-terminal segment of G protein–coupled receptors (GPCRs).

C. Clathrin and AP2, two other proteins bound by β-arrestin, promote endocytosis of the receptor.

D. β-Arrestin also functions in transducing signals from activated receptors by binding to and activating several cytosolic protein kinases like Src activates the MAP kinase pathway, leading to phosphorylation of key transcription factor.

Which of the following combination is incorrect?

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#Question id: 3294

#Unit 11. Evolution and Behavior

Which one of these processes describes bottleneck effect?

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#Question id: 8963

#Unit 9. Diversity of Life Forms

What kind of data should probably have the greatest impact on animal taxonomy in the coming decades?

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#Question id: 31182

#Unit 4. Cell Communication and Cell Signaling

Wnt signaling receptor, Frizzled (Fz), shows similarity with: 

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#Question id: 15705

#Unit 12. Applied Biology

IAA or IBA auxins alone or in combination with a low concentration of cytokinin are important in the induction of

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#Question id: 30057

#Unit 7. System Physiology – Animal

The difference between systolic pressure and diastolic pressure known as: