Deletion that causes loss of the extracellular ligand-binding domain in the EGF receptor leads, to

constitutive activation of the kinase activity of the resulting oncoprotein, ErbB.

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#Id: 967

#Unit 5. Developmental Biology

The major candidate that forms the Nieuwkoop center in these vegetal cells β-catenin

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#Id: 5660

#Unit 7. System Physiology – Animal

The upper scala vestibuli and the lower scala tympani contain perilymph and communicate with each other at the apex of the cochlea through a small opening called the helicotrema

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#Id: 6530

#Unit 7. System Physiology – Animal

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#Id: 8565

#Unit 1. Molecules and their Interaction Relevant to Biology

In the simplest possible model, simple linear non-competitive inhibition, the substrate does not affect inhibitor-binding. 

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#Id: 2443

#Unit 3. Fundamental Processes

The need for rho factor in vitro is variable. Some (rho-dependent) terminators require relatively high concentrations of rho, whereas others function just as well at lower levels.