Neuregulins 1, 2, 3, and 4, bind to HER4 that, like HER1, can also form homodimers.

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#Id: 1602

#Unit 5. Developmental Biology

As cells enter the primitive streak, they undergo an epithelial-to-mesenchymal transformation.

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#Id: 7994

#Unit 10. Ecological Principles

Soil and Water pH Affect the Distribution of Organisms

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#Id: 391

#Unit 2. Cellular Organization

The H3.H4 tetramer forms the top half of the histone octamer. Histone H3.H4 tetramers occupy a key position in the nucleosome by binding the middle and both ends of the DNA

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#Id: 6386

#Unit 2. Cellular Organization

Mutants that cannot be expressed at all are called uninducible. Mutants that are continuously expressed are called constitutive mutants.

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#Id: 5832

#Unit 10. Ecological Principles