Initiation of replication at oriC starts with formation of a complex that ultimately requires six proteins: DnaA, DnaB, DnaC, HU, gyrase, and SSB.

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#Id: 9377

#Unit 11. Evolution and Behavior

Innate behavior - comes from an animal's heredity.

Instinct (nature), in which adaptation occurs over generations by selection.

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#Id: 2033

#Unit 8. Inheritance Biology

Transformation takes place when a bacterium takes up DNA from the medium in which it is growing.

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#Id: 6334

#Unit 8. Inheritance Biology

Sequential hermaphroditism Phenomenon in which the sex of an individual organism changes in the course of its lifetime.

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#Id: 9343

#Unit 4. Cell Communication and Cell Signaling

Prodomain forms disulfide linkages that localize the latent TGF-β to the surface of the secreting cell (GARP), to a nearby cell, or to the extracellular matrix (LTBP).

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#Id: 387

#Unit 2. Cellular Organization

The nucleosome has an approximate twofold axis of symmetry, called the dyad axis.