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Home Q & A Board Biology-Related Homework Help General Biology
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aschramm aschramm
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6 years ago
PCR produces
 
  A. DNA fragments of all possible sizes.
  B. DNA fragments that are one nucleotide larger than the next fragment.
  C. DNA fragments of a particular size.
  D. DNA fragments of increasing size.
  E. DNA fragments that are one nucleotide larger than the next fragment AND DNA fragments of increasing size.


The size of the amplified DNA fragment generated during PCR is determined by
 
  A. how many cycles are performed.
  B. the size of the template DNA.
  C. the location to which the primers anneal.
  D. how much Taq is used.


Starting with a single piece of dsDNA, after 3 PCR cycles there are
 
  A. 2 additional pieces of dsDNA.
  B. 4 additional pieces of dsDNA.
  C. 8 additional pieces of dsDNA.
  D. 16 additional pieces of dsDNA.


Double-stranded DNA will separate into two strands when exposed to
 
  A. high temperature.
  B. high pH.
  C. low temperature.
  D. low salt.
  E. high temperature AND high pH.


PCR is particularly useful in
 
  A. detecting viable yet non-culturable organisms.
  B. assessing impure (multiple types of bacteria present) samples.
  C. dealing with very small numbers of bacteria.
  D. relatively quickly producing results.
  E. All of the choices are correct.
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scottypedermanscottypederman
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aschramm Author
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6 years ago
This helped my grade so much Perfect
Roselalo
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Yesterday
Thank you, thank you, thank you!
Katey_maree
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2 hours ago
Thanks
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