In addition to knowing the chemical structures of the nucleotides, Watson and Crick used ________ of Franklin and Wilkins and the chemical equivalencies of Chargaff in order to propose their model of DNA structure.

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#Question id: 19822

#Unit 12. Applied Biology

Recognition of which molecules by receptor-like molecules present in resistant plants initiates several biochemical reactions?

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#Question id: 5160

#General Aptitude

The last digit of the number 3²⁰¹⁵ is

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#Question id: 7107

#Unit 5. Developmental Biology

What would be the effect on the timing of somite formation, if a piece of the pre-somitic mesoderm of a chick embryo is rotated by 180° and reinserted in its original position?

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#Question id: 26823

#Unit 10. Ecological Principles

During phenology of the plant at the reproductive stage, plant undergo

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#Question id: 20982

#Unit 12. Applied Biology

Which is considered as the most recalcitrant of the BTEX compounds, and of greatest regulatory concern because of its associated health impacts?