Fgf8 is the major active factor in the AER.

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#Id: 5970

#Unit 10. Ecological Principles

Nitrogen is first limiting element 

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#Id: 8889

#Unit 2. Cellular Organization

Centrosomes contain γ tubulin, which forms specific ringlike complexes (γ TuRCs) that, have the ability to nucleate microtubules and form a bipolar spindle

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#Id: 7243

#Unit 5. Developmental Biology

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#Id: 10077

#Unit 4. Cell Communication and Cell Signaling

An integrin molecule is composed of two noncovalently associated transmembrane glycoprotein subunits called α and β.

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#Id: 2839

#Unit 13. Methods in Biology

These histidine's are separated by using Nickel-chelate-nitrilotriacetate (Ni-NTA) chromatography column.