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In: Biology

What is the approximate rate of addition of nucleotides to a strand of DNA during DNA...

What is the approximate rate of addition of nucleotides to a strand of DNA during DNA replication in eukaryotes? What is the approximate size of the human genome in terms of base pairs? Which enzyme is responsible for adding nucleotides to a strand of DNA during DNA replication?

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Expert Solution

What is the approximate rate of addition of nucleotides to a strand of DNA during DNA replication in eukaryotes?

  • Eukaryotic cells have multiple points of origin, and use unidirectional replication within the nucleus of the cell.

What is the approximate size of the human genome in terms of base pairs?

  • The total length of the human genome is over 3 billion base pairs.
  • The genome is organized into 22 paired chromosomes, termed autosomes, plus the 23rd pair of sex chromosomes (XX) in the female, and (XY) in the male.

Which enzyme is responsible for adding nucleotides to a strand of DNA during DNA replication?

  • One of the key molecules in DNA replication is the enzyme DNA polymerase.
  • DNA polymerases are responsible for synthesizing DNA.
  • they add nucleotides one by one to the growing DNA chain, incorporating only those that are complementary to the template.

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