Transgenic mice that express an activated oncogene like rasD under the control of the TetOFF system are likely to undergo which of the following events when tetracycline is given?

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#Question id: 2985

#Unit 2. Cellular Organization

Use the figure to answer the question below. The unlettered circle at the top of the figure shows a diploid nucleus with four chromosomes that have not yet replicated. There are two pairs of homologous chromosomes, one long and the other short. One haploid set is black, and the other is gray. The circles labeled A to E show various combinations of these chromosomes. What is the correct chromosomal condition for one daughter nucleus at telophase of mitosis? 

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#Question id: 2313

#Unit 2. Cellular Organization

In which of the following cells would you expect to find the most mitochondria?

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#Question id: 19011

#Unit 13. Methods in Biology

Which one of the following methods is the most suitable for amino-acid analysis?

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#Question id: 15011

#Unit 8. Inheritance Biology

Which of the following statements about a lethal allele is NOT correct?

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#Question id: 10777

#Unit 6. System Physiology – Plant

Why pyrethroids are synthetically and commercially viable and applicable ?