Which of the following X-ray diffractograms was obtained from "wetter" DNA fibres?
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- What are the function of autoradiography in DNA fingerprinting?Do you think it should be possible to convict criminals solely on gel electrophoresis of digested DNA samples? Why or why not?ANSWER IN 3-5 SENTENCES: What do you mean by amphoteric substance? Give examples of substance that is/are amphoteric. What is the purpose of the power supply in gel electrophoresis? Among the short and long strand of DNA, which moves the farthest in the gel and why? What is the purpose of buffer in agarose gel electrophoresis?
- Three pieces of cut DNA were isolated using gel electrophoresis.The DNA that is the longest will be closest to the positive or negative electrode?Explain how electrophoresis separates DNA strands. How is a DNA fingerprinting test interpreted?Could actual fingerprints taken from human fingers be used toperform a DNA profile? Explain.
