pyrethroids that occur in the leaves and flowers of Chrysanthemum species show very striking insecticidal activity. Pyrethroids are________

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#Question id: 33909

#Unit 2. Cellular Organization

What is the Lk of a 5,000 bp circular duplex DNA molecule with a nick in one strand?

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#Question id: 5250

#Unit 8. Inheritance Biology

A researcher would like to map the location of galE and trpA genes in a new species of bacterium that appears to be closely related to E. coli. He decides to use cotransduction, and generatesnappropriate donor and recipient strains. He is disappointed when cotransduction is not seen in his experiement. What is the most reasonable explanation for this situation?

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#Question id: 10396

#Unit 6. System Physiology – Plant

Very low fluence response (VLFR) is

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#Question id: 30114

#Unit 1. Molecules and their Interaction Relevant to Biology

In the case of monoclonal antibody production by hybridoma technology, myeloma cells used lack the enzyme hypxanthine - guanine phosphoriboxyl transferase(HGPRT) such that fused cells can only survive when selected on hypoxanthine-aminopterinthymdine (HAT). What is the role of aminopterin in this medium?

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#Question id: 7529

#General Aptitude

A jogger Running at 10 km/h allong side aur railway track in 150 m i head of the engine of a 300 M long train running at 64 km/hr in the same direction in how much time will the train pass the Jogger?