(FRET) technique uses a pair of fluorescent proteins in which the emission wavelength of the first is 

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#Question id: 12429

#Unit 10. Ecological Principles

Flycatcher birds that migrate from Africa to Europe feed their nestlings mostly with moth caterpillars. The data presented show the mean dates of egg laying, hatching, and fledging of flycatcher young, and the 1980 and 2000 peak mass of caterpillars.

Which of the following organisms is incorrectly paired with its trophic level? 

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#Question id: 18843

#Unit 13. Methods in Biology

Which of the following reagent is used for quantifying DNA

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#Question id: 2901

#Unit 2. Cellular Organization

HOTAIR is a lncRNA whose gene is found in the HoxC cluster in humans, but it acts by regulating expression of the HoxD genes on another chromosome (in trans) by recruiting to that locus Polycomb Repressive Complex 2 (PCR2). Which of the following processes is incorrect regarding this regulation?

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#Question id: 15249

#Unit 2. Cellular Organization

Halophiles have adapted so completely to ____________ conditions that they require high levels of ___________ to grow.

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#Question id: 3038

#Unit 2. Cellular Organization

If a culture starts with 50 cells, how many cells will be present after five generations with no cell death?