3. What enzyme synthesizes the RNA primer? 4. What enzyme removes the RNA primer and replaces it with DNA? 2. What enzyme unwinds the DNA? 1. What enzyme relaxes supercoils? 6. Is this the 5" or 3' end? 7. What is this short DNA segment called? 5. Is this the leading or lagging side? 10. Is this the 5' or 3' end? 9. What enzyme synthesizes this long DNA segment? 8. Is this the 5' or 3' end?
This is homework for a practice assessment. I need some assistance with these questions, so I can use them for studying material. Thank you so much! I highly appreciate it!
DNA replication is that the process by which DNA makes a replica of itself during cellular division . DNA replication is semiconservative, bidirectional.
several enzymes are involved in this process.
1) DNA topoisomerase enzyme relaxes the supercoiling.Topoisomerases are important both in growing fork movement and in resolving (untangling) finished chromosomes after DNA duplication. Both replicated circular and linear DNA chromosomes are separated by topoisomerases. They participate within the overwinding or underwinding of DNA.
2) Helicases are enzymes that bind and should even remodel macromolecule or macromolecule protein complexes. There are DNA and RNA helicases. DNA helicases are essential during DNA replication because they split double-stranded DNA into single strands allowing each strand to be copied.
3) RNA primase, synthesizes an RNA primer that's about five to 10 nucleotides long and complementary to the DNA. RNA primase doesn't require a free 3′-OH group. Because this sequence primes the DNA synthesis, it's appropriately called the primer. DNA polymerase can now extend this RNA primer.
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