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Home Q & A Board Biology-Related Homework Help General Biology
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Johnnyvic Johnnyvic
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6 years ago
Why does DNA synthesis proceed in a 5 to 3 direction?
  a. DNA polymerases can only add nucleotides to the 3 end of a polynucleotide strand.
  b. The 3 end of the polynucleotide molecule contains more phosphates than the 5 end.
  c. DNA unzips in the 5 to 3 direction.
  d. DNA strands are parallel to each other.
  e. Chromosomes are aligned in the 5 to 3 direction in the nucleus.

Question 2

Which of the following adds new nucleotides to a growing DNA chain?
  a. DNA polymerase
  b. DNA helicase
  c. RNA primer
  d. primase
  e. RNA polymerase
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ghdfharfgghdfharfg
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6 years ago
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Johnnyvic Author
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#2
6 years ago
Extremely helpful
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#3
6 years ago
Cool, thanks for the positive feedback
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