Calculate the linking number in vivo for a plasmid that is 4200 bp in size if there is normally 1 negative supercoil in every 20 base pairs of a circular DNA. Assume there are 10.5 bp per turn of the double helix.
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Q8: Which of the following does NOT describe
Q9: Nucleotides are all weak acids.
Q10: Expression of genetic information involves first _
Q11: Dideoxynucleotide sequence analysis is a template-directed method
Q12: Which statement is CORRECT?
A) Both phosphodiester and
Q14: Nucleic acids absorb light strongly in the
Q15: The difference between a nucleoside and a
Q16: The nucleotide sequence of a polynucleotide chain
Q17: DNA in vivo is normally _ supercoiled.
Q18: Viral genomes cannot be used as vectors
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