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restriction endonuclease and exonuclease

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14y ago
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11y ago

Helicase

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Q: What is the enzyme that opens up DNA?
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What type of protein opens up DNA molecules to start transcription of mRNA?

This enzyme is known as DNA helicase.


What opens DNA but breaks hydrogen bonds?

The enzyme helicase.


During transcription what molecule opens the DNA?

Helicase is what will "unzip" the DNA.


Which enzyme opens DNA molecules?

Restriction Enzymes


Enzyme that analyzes the formation of the sugar to phosphate bonds in DNA?

Polymerase is the enzyme that speeds up the sugar to phosphate bonds in DNA.


What does the job of unwinding copying and rewinding DNA inside a cell?

the enzyme helicase unwinds DNA, then DNA rewinds itself back up after translation has finished.


What enzyme cuts and seals DNA?

HaeIIIrestriction enzymes


What is an example of a biological enzyme?

DNA helicase. This is the enzyme that "unzips" DNA.


What is DNA-replication?

DNA replication is a process during which DNA double helix opens like a zipper , new nucleotides are added along both strands of DNA by enzyme DNA polmerase and at last two molecules of DNA are formed. It takes place in S phase of interphase .


What opens up the double helix during replication?

DNA Helicase


What enzyme is used to join DNA nucleotides?

In DNA replication, DNA polymerase III is the enzyme which joins the DNA nucleotides together via phospodiester bonds.DNA Ligase is the enzyme that seals gaps in DNA during DNA Replication.DNA Ligase is the enzyme that seals gaps in DNA during DNA Replication.


What is the name of the enzyme that aids in the process of replication?

The enzyme DNA dependent DNA polymerase is essential for DNA replication