RNA Polymerase I has a Bipartite Promoter

 

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#Id: 10472

#Unit 4. Cell Communication and Cell Signaling

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#Id: 9589

#Unit 11. Evolution and Behavior

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#Id: 6849

#Unit 5. Developmental Biology

Responder, 

the cell or tissue being induced.

Cells of the responding tissue must have both 

A receptor protein for the inducing factor

The ability to respond to the signal

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#Id: 5643

#Unit 7. System Physiology – Animal

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#Id: 8465

#Unit 1. Molecules and their Interaction Relevant to Biology

The magnitude of this dipole moment corresponds to about 0.5-0.7 unit charge at each end of the helix. These charges would be expected to attract ligands of opposite charge and negatively charged ligands, especially when they contain phosphate groups and frequently bind at the N-termini of a helices. In contrast, positively charged ligands rarely bind at the C-terminus