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Why is it necessary to unzip the DNA for transcription to occur?
Wiki User
∙ 12y ago
because the new DNA needs an original strand as well a new strand, thanks to helicase. that's why it is considered "semi-conservative". Unzipping the DNA allows an official copy to be made.
Wiki User
∙ 12y ago
Transcription involves the synthesis of RNA from a DNA template, and this process can only occur when the DNA double helix is unzipped. Unzipping the DNA allows the RNA polymerase enzyme to access one of the DNA strands for transcription by breaking the hydrogen bonds between the base pairs. This process exposes the genetic information in the DNA sequence and allows for the complementary base pairing necessary for RNA synthesis.
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DNA replication and transcription occur in the what?
DNA replication and transcription occur in the nucleus of eukaryotic cells. In prokaryotic cells, replication and transcription occur in the cytoplasm.
Does transcription occur in DNA or RNA?
Transcription occurs in DNA to produce mRNA.
During transcription what molecule opens the DNA?
During transcription, the enzyme RNA polymerase opens the DNA double helix to expose a segment of the DNA that will be transcribed into RNA.
What enzyme binds to DNA during transcription unzipping the strands of RNA?
RNA polymerase is the enzyme that binds to DNA during transcription and helps unzip the DNA strands to allow for the synthesis of RNA.
What DNA begins to uncoil DNA?
Helicase is the enzyme responsible for unwinding the double-stranded DNA molecule during DNA replication. It breaks the hydrogen bonds between the nitrogenous bases, separating the two strands and allowing for the replication process to occur.
What enzyme is used to unzip DNA?
DNA helicase is the enzyme responsible for unzipping the double-stranded DNA during processes like replication, transcription, and repair. DNA helicase works by breaking the hydrogen bonds between the two strands of DNA, allowing the DNA to separate and expose the nucleotide bases for replication or transcription to occur.
DNA replication and transcription occur in the what?
DNA replication and transcription occur in the nucleus of eukaryotic cells. In prokaryotic cells, replication and transcription occur in the cytoplasm.
Does transcription occur in DNA or RNA?
Transcription occurs in DNA to produce mRNA.
During transcription what molecule opens the DNA?
During transcription, the enzyme RNA polymerase opens the DNA double helix to expose a segment of the DNA that will be transcribed into RNA.
What enzyme binds to DNA during transcription unzipping the strands of RNA?
RNA polymerase is the enzyme that binds to DNA during transcription and helps unzip the DNA strands to allow for the synthesis of RNA.
Does transcription occur in the nucleus or at the nucleoid?
Transcription occurs in the nucleus in eukaryotic cells, where DNA is transcribed into RNA. In prokaryotic cells, transcription occurs at the nucleoid, which is the region where the genetic material is located.
What must happen to DNA strands before transcription can begin?
The DNA strands must separate or unwind to expose the specific gene that is going to be transcribed. This process is facilitated by enzymes that help unzip the double-stranded DNA. Once the DNA is unwound, RNA polymerase can then bind to the DNA and initiate transcription.
Transcription and translation are the two processes necessary to change?
DNA to protein.
Where does the transcription occur in protein?
Transcription occurs when DNA creates mRNA. In a Eukaryotic cell, this occurs inside the nucleus.
Which process must occur before DNA information is moved out of the nucleus by mRNA?
Transcription must occur .
What DNA begins to uncoil DNA?
Helicase is the enzyme responsible for unwinding the double-stranded DNA molecule during DNA replication. It breaks the hydrogen bonds between the nitrogenous bases, separating the two strands and allowing for the replication process to occur.
What is an important role of RNA during transcription?
The main role of RNA during transcription is to act as a template to guide the synthesis of a complementary RNA strand, which is necessary for the formation of the corresponding protein. RNA also helps in providing the necessary genetic information from DNA to the ribosomes for protein synthesis.
