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hydrogen in bases
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What enhances separation of DNA strands during replication?
Helicase enzymes are responsible for unwinding and separating the DNA strands during replication by breaking the hydrogen bonds between the bases. This creates the replication fork where new nucleotides can be added by DNA polymerase enzymes. ATP provides the energy needed for helicase to perform its unwinding function.
What must be broken for the DNA strand to separate?
Hydrogen bonds between the nitrogenous bases need to be broken for the DNA strand to separate during replication or transcription.
What bonds are broken in order the unzip the DNA strands?
The hydrogen bonds are broken in order to unzip the DNA strand. This all occurs during the DNA replication process.
What opens up the double helix during replication?
An enzyme called helicase is responsible for unwinding and separating the double helix structure of DNA during replication. Helicase works by breaking the hydrogen bonds that hold the two strands together, allowing the DNA to be replicated.
What characteristic of hydrogen bonds make them work well during DNA replication?
Hydrogen bonds are relatively weak, allowing them to be easily broken and reformed during DNA replication. This enables the base pairing between complementary nucleotides, facilitating accurate replication of the DNA molecule. Additionally, hydrogen bonds are specific in their pairing (A-T and G-C), ensuring the fidelity of DNA replication.
What kinds of bonds are broken between N-bases when DNA unzips during replication?
During DNA replication, the bonds broken between N-bases are hydrogen bonds. These hydrogen bonds are relatively weak compared to the covalent bonds that hold the sugar-phosphate backbone together. The breaking of hydrogen bonds allows the two strands of the DNA double helix to separate, providing access for DNA polymerase to create new complementary strands.
What bond have to be broken in order for DNA replication to occur?
hydrogen bonds
Which enzyme breaks the hydrogen bonds during DNA replication?
The enzyme that breaks the hydrogen bonds during DNA replication is called helicase.
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.
Which enzyme unwinds DNA to initiate replication?
Helicase is the enzyme responsible for unwinding the DNA double helix during DNA replication. Helicase breaks the hydrogen bonds between the base pairs, allowing the two strands to separate and serve as templates for the new DNA strands.
What enzyme is responsible for unwinding the DNA molecule for replication?
The enzyme responsible for unwinding the DNA molecule for replication is called helicase. Helicase breaks the hydrogen bonds between the DNA base pairs, allowing the two strands to separate and expose the nucleotide bases for replication.
What type of the enzyme that cuts the bonds of DNA molecule at the origin of replication?
The enzyme that cuts the bonds of DNA at the origin of replication is called DNA helicase. DNA helicase plays a key role in unwinding the double helix structure of DNA so that it can be replicated.
