Splicing is an SN2 reaction that proceeds through a pentavalent phosphorous intermediate.

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#Id: 2177

#Unit 11. Evolution and Behavior

Hitchhiking - An allele at one locus spreads by natural selection acting on a second locus that is in linkage disequilibrium with  the first.

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#Id: 762

#Unit 3. Fundamental Processes

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#Id: 8841

#Unit 10. Ecological Principles

Flow of food energy up the trophic levels

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#Id: 709

#Unit 3. Fundamental Processes

A locus called dat has a large concentration of DnaA-binding sites. It binds about 80 more DnaA molecules than the origin.

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#Id: 8922

#Unit 2. Cellular Organization

Centralspindlin-Ect2 complex catalyzes activation of RhoA, leading to cleavage furrow formation and division of the cytoplasm to form two completely separate cells.