A DNA sample having mass 1 ng undergoes PCR, the eluted DNA is weighted about 1 microgram, the minimum number of cycles required

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#Question id: 14503

#Unit 13. Methods in Biology

If 10 coins are tossed 100 times, how many times would you expect 7 coins to fall head upward ?

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#Question id: 10407

#Unit 6. System Physiology – Plant

Dark induce gene expression activated by___

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#Question id: 11939

#Unit 7. System Physiology – Animal

Which of the following would cause the greatest degree of hyperkalemia?

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#Question id: 11174

#Unit 10. Ecological Principles

Why might a peahen choose to mate with a peacock with a long, gaudy tail?

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#Question id: 7205

#Unit 5. Developmental Biology

In cloning experiments on the frog xenopus laevis, nuclei were removed from intestinal cells of tadpoles and transplanted into zygotes whose nuclei had been removed. A small percent of these zygotes developed into normal frogs, suggesting that