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What is the the enzyme that breaks apart the double helix exposing two template strands?
The enzyme that breaks apart the double helix to expose two template strands is called helicase. It unwinds the DNA by breaking the hydrogen bonds between the base pairs, allowing access for other enzymes involved in DNA replication and repair. This unwinding is essential for processes such as DNA replication, transcription, and repair, as it enables the necessary access to the genetic information contained within the DNA strands.
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Why must DNA fragments be exposed to an alkaline solution before hybridization?
Exposing DNA fragments to an alkaline solution helps to denature the double-stranded DNA into single strands, which are needed for hybridization to occur. This process breaks the hydrogen bonds between the base pairs of the DNA, allowing the strands to separate and be available for binding with complementary sequences.
What is used as a template for replication?
The DNA molecule itself serves as a template for replication. During DNA replication, the two strands of the double helix separate, and each strand serves as a template for the synthesis of a new complementary strand, resulting in the formation of two identical DNA molecules.
How many strands of DNA are used to make complementary strands of DNA?
Two strands of DNA are used to make complementary strands of DNA. One original strand serves as a template for the synthesis of a new strand, resulting in a double-stranded DNA molecule with base pairing between the original and newly synthesized strands.
When forming new DNA molecules each strand of DNA your act as a?
When your DNA replicates itself, the needed section of the double helix "unzips" into two strands. Each of those strands is called a template. Free nucleotides assemble onto the templates using base pairing with the enzyme DNA polymerase and create a new double helix.
How do DNA expand?
DNA expands through a process called replication, where the double-stranded DNA molecule separates into two strands, and each strand serves as a template for the synthesis of new complementary strands. Enzymes known as DNA polymerases add nucleotides to the growing new strands, resulting in two identical DNA molecules.
Why must DNA fragments be exposed to an alkaline solution before hybridization?
Exposing DNA fragments to an alkaline solution helps to denature the double-stranded DNA into single strands, which are needed for hybridization to occur. This process breaks the hydrogen bonds between the base pairs of the DNA, allowing the strands to separate and be available for binding with complementary sequences.
Why is DNA replication caled semiconverative?
Because when the two strands of the double helix are unwound for replication each strand acts as a template to replicate a new strand onto. So, you get four strands, two pair. One of that pair is a new strand and one of the pair is the old strand that was the template strand.
How can DNA be denatured?
DNA can be denatured by exposing it to high temperatures or extreme pH levels, causing the double helix structure to unwind and separate into single strands.
Replication forks tend to?
Replication forks tend to unwind the DNA helix, separate the double strands, and synthesize new strands of DNA in opposite directions. They are formed during DNA replication and move along the DNA template strands as replication progresses.
What is used as a template for replication?
The DNA molecule itself serves as a template for replication. During DNA replication, the two strands of the double helix separate, and each strand serves as a template for the synthesis of a new complementary strand, resulting in the formation of two identical DNA molecules.
What takes place during DNA replication?
The DNA double helix unwinds, & the two separated strands each serve as a template for a complementary strand to be synthesised
How many strands of DNA are used to make complementary strands of DNA?
Two strands of DNA are used to make complementary strands of DNA. One original strand serves as a template for the synthesis of a new strand, resulting in a double-stranded DNA molecule with base pairing between the original and newly synthesized strands.
At the end of DNA replication two new strands of DNA have been produced giving a total of?
Two new DNA chains are formed at the end of DNA replication, both identical in sequence to the template (or parent) chain. These chains are composed of 2 complimentary strands. It is important to note that of the newly formed DNA chains, one strand is the same as the template strand and the other one is a newly synthesized one.
When forming new DNA molecules each strand of DNA your act as a?
When your DNA replicates itself, the needed section of the double helix "unzips" into two strands. Each of those strands is called a template. Free nucleotides assemble onto the templates using base pairing with the enzyme DNA polymerase and create a new double helix.
What is the explanation for the process of replication?
During DNA replication, the DNA molecule separates into two strands, then produces two new complementary strands following the rules of base pairing. Each strand of the double helix of DNA serves as a template, or model, for the new strand.
When RNA polymerase binds to DNA what happens to the double helix?
When RNA polymerase binds to DNA, it unwinds a small segment of the double helix to expose the DNA template strand. This allows the polymerase to move along the template and synthesize an RNA strand complementary to the template strand.
A zebra cell is just about to replicate its DNA What happens first?
First, the DNA double helix unwinds and separates into two strands. Then, each strand serves as a template for the synthesis of a new complementary strand. This process is carried out by enzymes that help assemble the new DNA strands.
