0
DNA Helicase unwinds the DNA strand in the specific location for it to be transcribed.
Wiki User
∙ 13y ago
Wiki User
∙ 13y agoRNA polymerase. It unwinds the DNA double helix and adds complementary RNA bases.
Wiki User
∙ 13y agoThe Helicase is the enzyme that actually unwinds the DNA and splits it in half.
Wiki User
∙ 10y agoHelicases unwind and polymerse adds nuleotides
Wiki User
∙ 12y agoDNA Helicase
Wiki User
∙ 10y agoDNA helicase.
Wiki User
∙ 10y agoHelicase
Add your answer:
Earn +20 pts
Which enzyme unwinds DNA to initiate replication?
Helicase
What molecule unwinds DNA?
A replication bubble.
What is the principle enzyme involved in DNA replication?
Two of the enzymes involved in DNA replication are helicase and DNA polymerase. Helicase unwinds the DNA strand and DNA polymerase makes a copy.
What Unwinds the DNA strand and breaks the hydrogen bonds between nucleotides in preparation for replication?
The initiation complex makes a small gap for a helicase enzyme to bind. It is the helicase the 'undwinds' the DNA for most of replication. In E. coli, for example, DnaA protein binds DNA to make a small gap between the two DNA strands, where DnaB enzyme (a helicase) can bind to the lagging strand (the one that is copied in fragments). From there, DnaB unwinds the DNA ahead of the polymerase enzyme.
What is the function of DNA gyrase?
DNA gyrase is a bacterial enzyme which introduces supercoils into the bacterial DNA, resulting in a highly condensed 3-dimentional struture. it is also known as Topoisomerase. Quinolones and F/Quinolones inhibit this enzyme and thus interfere with bacterial DNA replication. The enzyme is absent in humans.
What does the helicase enzyme do?
Helicase is an enzyme involved in DNA replication. It unwinds and unzips the parental DNA strand.
Which enzyme unwinds DNA to initiate replication?
Helicase
Is DNA helicase an enzyme?
Yes, it unwinds the DNA double helix prior to transcription/protein synthesis and DNA replication.
What molecule unwinds DNA?
A replication bubble.
What major enzyme involved on replication?
DNA Helicase is the major enzyme involved in the replication of DNA. The reason why it is so important is that it unwinds the DNA which creates two separate strands.
What is the helicase enzyme?
Unwinds the DNA during DNA replication and Trancription
What is the principle enzyme involved in DNA replication?
Two of the enzymes involved in DNA replication are helicase and DNA polymerase. Helicase unwinds the DNA strand and DNA polymerase makes a copy.
How does topoisomerase affect the DNA strand during DNA replication?
The topoisomerase enzyme uncoils the double helical structure of DNA during its replication to form the replication fork. In eukaryotes both posive and negative supercoils get unbind by topoisomerase I & II respectively.Topoisomerase isomerase unwinds DNA to form replication fork
What is the function of the protein enzyme Dna helicase?
It unwinds Dna, sometimes by itself yet mostly in conjunction with other Dna-ases; and in doing so, it makes the Bases accessible for Replication and or Transcription.
What separates DNA strands when DNA copies itself?
Topoisomerase is the enzyme that unwinds the DNA during replication. It binds to the DNA, and separates the double strands and form a replication fork. After which the primer bind to the start site, and DNA polymerase starts DNA synthesis.
How are the rungs of the DNA ladder broken as the DNA molecule unzips?
The rugs of DNA are Adenine, Guanine, Cytosine, and Thymine. When DNA replication occurs and the ladder has to be broken, an enzyme called "helicase" starts at the replication fork and unwinds the DNA ladder. Helicase breaks the rugs of DNA.
What is the function of DNA helicare in DNA replication?
DNA Helicase unwinds and unzips the DNA. It separates the two strands of DNA so DNA replication can occur.
