In the Meselson-Stahl DNA replication experiment, if the cells were first grown for many generations in 15N containing media, and then switched to 14N containing media, what percent of the DNA had 1 light strand and 1 heavy strand after 2 generations of growth in 15N growth media?

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#Question id: 12476

#Unit 10. Ecological Principles

Which of the following groups would be most likely to exhibit uniform dispersion?

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#Question id: 435

#Unit 1. Molecules and their Interaction Relevant to Biology

What defines a near-equilibrium reaction?

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#Question id: 11576

#Unit 7. System Physiology – Animal

The amino acid tyrosine is a starting substrate for the synthesis of :

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#Question id: 7526

#General Aptitude

Walking from my home, at a speed of 5 km/h, I am 8 minutes late in reaching my office.If I walk at a speed of 8 km/h, I reach 5 minutes late. How far is my office from the house?

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#Question id: 5606

#Unit 5. Developmental Biology

During which one of the following stages of A. thaliana embryogenesis, cell elongation throughout the embryonic axis and further development of the cotyledons occur?