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Home Q & A Board Biology-Related Homework Help General Biology
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ilan707 ilan707
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6 years ago
What is/are true of the polymerase chain reaction?
 
  a. PCR allows for the mass production of a specific DNA sequence without cloning.
  b. PCR permits scientists to target a single copy of a single gene among millions of other
  sequences.
  c. PCR allows scientists to study DNA from samples of finite amounts, such as from fossils,
  or small tissue samples left at a crime scene.
  d. PCR cannot be used to clone DNA of unknown sequence
  e. all of these

Question 2

Plants and animals that rely on diffusion to move molecules through their bodies tend to ________.
 
  a. be large
 b. have respiratory and vascular systems
 c. be small and flat
 d. evolve few adaptations because diffusion is a passive process
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Roshni411Roshni411
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6 years ago
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ilan707 Author
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6 years ago
Such an awesome helper!
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