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What is the process by which DNA separates during replication?
During DNA replication, the process by which DNA separates is called DNA unwinding. This occurs when the double helix structure of DNA is unwound by enzymes, allowing the two strands to separate and serve as templates for the synthesis of new DNA strands.
How does RNA polymerase attach to unwound DNA during transcription?
RNA polymerase attaches to unwound DNA during transcription by recognizing and binding to specific promoter sequences on the DNA strand. Once bound, the RNA polymerase begins to synthesize a complementary RNA strand using the DNA template.
The sites where DNA replication and separation occur is called?
The sites where DNA replication and separation occur are called the replication fork, which is formed during DNA replication when the double-stranded DNA is unwound, and the centromere, which is the region of a chromosome where sister chromatids are held together before separation during cell division.
What are the phases when a cell's DNA is replicated?
The phases of DNA replication are initiation, where the DNA double helix is unwound and the replication bubble is formed, elongation, where new nucleotides are added to the growing DNA strands, and termination, where replication is completed and the newly synthesized DNA strands are proofread for accuracy.
In what organelle does DNA replication occur in?
DNA replication occurs in the nucleus of eukaryotic cells. Within the nucleus, the DNA is unwound and replicated by enzymes and other proteins. This process ensures that each daughter cell receives an identical copy of the genetic information during cell division.
Where DNA is unwound is called the what?
The Double Helix
What prevents the unwound DNA from twisting back?
Various enzymes, such as topoisomerases and helicases, actively prevent the unwound DNA from twisting back by releasing the supercoiling tension and unwinding the DNA strands, respectively. Additionally, DNA-binding proteins help stabilize the unwound DNA structure to maintain the separation of the two strands.
What is the process by which DNA separates during replication?
During DNA replication, the process by which DNA separates is called DNA unwinding. This occurs when the double helix structure of DNA is unwound by enzymes, allowing the two strands to separate and serve as templates for the synthesis of new DNA strands.
How does RNA polymerase attach to unwound DNA during transcription?
RNA polymerase attaches to unwound DNA during transcription by recognizing and binding to specific promoter sequences on the DNA strand. Once bound, the RNA polymerase begins to synthesize a complementary RNA strand using the DNA template.
DNA replication that unzip the DNA strand is?
DNA replication is a process where the double-stranded DNA molecule is unwound, or unzipped, by enzymes called helicases. This unwinding allows for the separation of the two parental DNA strands, which then serve as templates for the synthesis of new DNA strands.
Are chromosome more condense than chromatin?
Yes, you can think of chromosomes tightly wound up DNA and chromatin as unwound DNA.
The location where DNA polymerase attaches to the DNA strand?
DNA polymerase attaches to the DNA strand at a specific region called the origin of replication. This is where the double-stranded DNA is unwound, creating two template strands for DNA synthesis to occur. DNA polymerase then begins replicating the DNA in a 5' to 3' direction.
How does DNA replicate itself when cells divide?
The DNA double helix is unwound and each strand acts as a template for a new double helix.
The sites where DNA replication and separation occur is called?
The sites where DNA replication and separation occur are called the replication fork, which is formed during DNA replication when the double-stranded DNA is unwound, and the centromere, which is the region of a chromosome where sister chromatids are held together before separation during cell division.
Enzymes that open the double helix by breaking hydrogen bonds between nitrogen bases is what?
Enzymes that open the double helix by breaking hydrogen bonds between nitrogen bases are called helicases. Helicases are important during processes like DNA replication and DNA repair, where the DNA strands need to be unwound and separated.
Would most likely happen if DNA polymerize were not functioning properly during DNA replication?
as helicase unwinds the double stranded DNA DNA polymerase is responsible for inserting the new coresponding nucleotides during replication and wihtout it the unwound DNA would remain single stranded.
When was Unwound created?
Unwound was created in 1991.
