In Ion-exchange chromatography There are two types of ion exchanger, namely cation  and anion exchangers.

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#Id: 1052

#Unit 5. Developmental Biology

Hox9 and Hox10 paralogues specify the stylopod

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#Id: 7371

#Unit 5. Developmental Biology

The transcription factors encoded by the pair-rule genes activate the segment polarity genes, whose mRNA and protein products divide the embryo into 14-segment-wide units, establishing the periodicity of the embryo. 

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#Id: 2473

#Unit 13. Methods in Biology

In ZE a homogeneous buffer system is used over the whole separation time and range so as to ensure a constant pH value.

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#Id: 6370

#Unit 2. Cellular Organization

Lac repressor binds as a tetramer to two operators.

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#Id: 9393

#Unit 11. Evolution and Behavior

Hygienic behaviour in honeybee (Inherited)

uu ‐ Uncapping  

rr‐ Cleaning