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Which step happens first in DNA replications?

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Anonymous

 ∙ 8y ago
Updated: 10/19/2022

The first thing that happens is a replication structure binds to the DNA molecule. This is usually a signalling molecule or some type of protein. Next, this replication structure attracts DNA helicase enzymes which "unzip" the double stranded helix.

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Bennett Bode

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∙ 3y ago

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(Apex) Base pairs are broken apart.

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Germaine Erdman

Lvl 10
∙ 3y ago
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Base Pairs are broken apart - APEX

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MehChill

Lvl 2
∙ 4y ago
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The DNA strands separate as the hydrogen bonds are broken by DNA helicase. Then complementary nucleotides line up next to the strands and DNA polymerase joins the nucleotides. DNA helicase unwinds a section of DNA at a time. This synthesises two double strands.

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Wiki User

 ∙ 10y ago
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The first thing that happens is a replication structure binds to the DNA molecule. This is usually a signalling molecule or some type of protein. Next, this replication structure attracts DNA helicase enzymes which "unzip" the double stranded helix.

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Wiki User

 ∙ 12y ago
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Q: Which step happens first in DNA replications?
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Continue Learning about Natural Sciences

How many copies of a DNA molecule results from two replications of a single DNA molecule?

Four.

How many copies of DNA molecules result from two replications of a single DNA molecule?

Four.

How many copies of a DNA molecule result from two replications of a single DNA molecule?

Four copies of a DNA molecule result from two replications of a single DNA molecule. This is because each replication results in two identical daughter molecules.

What is the first step in decoding genetic messages?

The first step in decoding genetic messages is transcription, where the DNA sequence is copied into a messenger RNA (mRNA) molecule by RNA polymerase.

What is the first step in DNA synthesis?

The first step in DNA synthesis is the unwinding of the double-stranded DNA molecule by an enzyme called helicase. This process separates the two strands of DNA, creating a replication fork where the synthesis of new DNA strands can occur.

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