In hydroxyapatite column chromatography used during DNA reassociation studies, what is the principle behind the differential binding of single- and double-stranded DNA?

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#Question id: 31318

#Unit 6. System Physiology – Plant

Loss of function of which gene will inhibit infection of plant cell by Agrobacterium

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#Question id: 19369

#Unit 12. Applied Biology

Genes are transferred from prokaryotes into plants this phase is considered as 

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#Question id: 874

#Unit 1. Molecules and their Interaction Relevant to Biology

Fates of misfolded proteins, according given figure

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#Question id: 1357

#Unit 4. Cell Communication and Cell Signaling

How might anti-selectin antibodies act as anti-inflammatory drugs?

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#Question id: 13168

#Unit 10. Ecological Principles

Use the following diagram from the text showing the spread of the cattle egret, Bulbulcus ibis, since its arrival in the New World, to answer the following question.

How would an ecologist likely explain the expansion of the cattle egret?