After ten cycles of PCR, by approximately what factor will the number of DNA molecules in a sample be increased? Assume maximum efficiency.

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#Question id: 12708

#Unit 8. Inheritance Biology

800 meiocytes with the genotype AaBb undergoes meiosis with 60% chance of crossing over with A and B. How many recombinant gamete form?

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#Question id: 18374

#Unit 12. Applied Biology

Polycyclic aromatic hydrocarbons in the environment are of concern because they are potential

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#Question id: 19460

#Unit 13. Methods in Biology

In phase contrast unobstructed light passes through a region of________ that both transmits only a small percentage of the light and changes its phase slightly.

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#Question id: 12788

#Unit 10. Ecological Principles

To recycle nutrients, the minimum an ecosystem must have is

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#Question id: 19885

#Unit 13. Methods in Biology

The plasmid used by Cohen and Boyer fr their transformation experiment was