How many recombinant clones must be present in a cDNA library to be 95% certain that the library contains one clone of a particular mRNA molecule representing 0.005% of the total mRNA? 

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#Question id: 1356

#Unit 4. Cell Communication and Cell Signaling

Which of the following cell types might have the highest number of desmosomes?

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#Question id: 19158

#Unit 13. Methods in Biology

The use of insulin hormone to purify its receptor is an example of

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#Question id: 3309

#Unit 11. Evolution and Behavior

In a given population, 128 out of every 400 people has a carrier for recessive allele b that caused cancer in homozygous condition,  Assuming the population is in Hardy- Weinberg equilibrium, which of the following is the expected frequency of allele B and b in population respectively?

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#Question id: 15745

#Unit 5. Developmental Biology

Which of the following protein acts synergistically with R-spondin1 (Rspo1)?

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#Question id: 9248

#Unit 9. Diversity of Life Forms

Which of the following is a consequence of biological magnification?