DNA fragments can be separated in gel electrophoresis because
A) phosphate groups have a net negative charge.
B) nitrogenous bases have a net negative charge.
C) nitrogenous bases have a net positive charge.
D) phosphate groups have a net positive charge.
Correct Answer:
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Q2: Which of the following is not true
Q3: Gene probes can be labeled for detection
Q6: Amplification of DNA is accomplished by _.
A)a
Q6: Restriction endonucleases recognize and clip DNA base
Q7: A technique that separates a readable pattern
Q8: Geneticists can create sequences of DNA from
Q9: The various techniques by which scientists manipulate
Q10: Analysis of DNA fragments in gel electrophoresis
Q10: DNA strands can begin to separate at
Q20: The size of DNA is often given
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