Orthogenesis - “Straight-line evolution,” held that the variation that arises is directed toward fixed goals.

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#Id: 9639

#Unit 4. Cell Communication and Cell Signaling

GRB2 has- 

Phosphotyrosine-binding SH2 domain

Two SH3 domains, bind to Sos

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#Id: 6279

#Unit 3. Fundamental Processes

With s subunit, the holoenzyme worked equally well on both types of DNA

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#Id: 866

#Unit 13. Methods in Biology

The standard PCR does not efficiently amplify sequences much longer than about 3 kb.

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#Id: 369

#Unit 2. Cellular Organization

DNA Packaging or genome packaging is expressed in terms of Packaging Ratio=Original size/packed size  

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#Id: 4908

#Unit 13. Methods in Biology

According to layman’s words, the variance is a measure of how far a set of data are dispersed out from their mean or average value. It is denoted as ‘σ²’.