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#Question id: 5074


The "mid-blastula transition" is the point in development when:

#Unit 5. Developmental Biology
  1. translation of maternal mRNA is initiated.

  2. cell determination becomes fixed.

  3. cell division in the embryo ends.

  4. transcription of zygotic genes begins.


Answer:- Option(s): 4


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#Question id: 23704

#Unit 13. Methods in Biology

Which of the following seals the sticky ends of restriction fragments to make recombinant DNA?

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#Question id: 23705

#Unit 13. Methods in Biology

Which of the following is used to make complementary DNA (cDNA) from RNA?

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#Question id: 23706

#Unit 13. Methods in Biology

Which of the following cuts DNA molecules at specific locations?

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#Question id: 23707

#Unit 13. Methods in Biology

Which of the following separates molecules by movement due to size and electrical charge?

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#Question id: 23708

#Unit 13. Methods in Biology

In order to identify a specific restriction fragment using a probe, what must be done?

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#Question id: 23709

#Unit 13. Methods in Biology

Which of the following modifications is least likely to alter the rate at which a DNA fragment moves through a gel during electrophoresis?

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