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What does semi-conservative model mean?

Anonymous

∙ 8y ago

Updated: 8/10/2023

Refers to semi-conservative replication of DNA. One strand of the old DNA is used as a template to replicate the other, new, strand of DNA. Thus you have four from two, but two of the four are old strands while the other two strands are new. Thus the name semi-conservative replication.

Wiki User

∙ 12y ago

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More answers

This is the type of DNA replication where the new strands of DNA are made from the old strands which are called templates. So, from two strands you get four. One new strand paired with the old template strand.

Wiki User

∙ 13y ago

In the semi-conservative model, the resulting strand of DNA has one strand from the original DNA template and one strand that has been newly synthesized.

Wiki User

∙ 8y ago

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Continue Learning about General Science

What is conservative replication in science?

Conservative replication and semiconservative replication are the ways DNA reproduces itself. The difference being whether the newly formed strands pair with each other or with an old one.

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Related Questions

Which two models have similar results after replication cycle 1?

Model A and Model B have similar results after replication cycle 1, showing consistent outcomes across multiple runs of the experiments. This suggests that the findings from both models are robust and reproducible.

What does it mean that DNA is a semiconservative process?

Semiconservative replication means that during DNA replication, each new DNA molecule contains one original ("old") strand and one newly synthesized ("new") strand. This process ensures that the genetic information from the original DNA molecule is conserved in the newly formed molecules.

The best objective to describe DNA replication is?

The best objective to describe DNA replication is to understand the process by which a cell makes an identical copy of its DNA. This includes grasping the role of enzymes like DNA polymerase, the significance of semi-conservative replication, and the importance of fidelity to maintain genetic information.

What was Meselson and Stalh's confirmation of DNA's semiconservative sides of a DNA helix?

density gradient centrifugation

Where in the cell does semiconservative DNA replication occur?

Semiconservative DNA replication occurs in the nucleus of eukaryotic cells and in the cytoplasm of prokaryotic cells. It involves separating the DNA strands and using each strand as a template to synthesize a new complementary strand.

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What are the two advantages of semiconservative replication?

Semiconservative replication ensures genetic stability by passing on only one parental DNA strand to each daughter cell, allowing for accurate transmission of genetic information. It also allows for genetic variation through the incorporation of new mutations during the replication process.

Semiconservative replication involes a template what is the template?

The template for semiconservative replication is the original DNA strand that serves as a guide for creating a new complementary strand. During DNA replication, each original parental strand acts as a template for the synthesis of a new daughter strand.

What period in which semiconservative DNA replication occurs?

Semiconservative DNA replication occurs during the S phase of the cell cycle. This is the phase where DNA is replicated before cell division. Each new DNA molecule contains one original strand and one newly synthesized strand.

Who performed the classic experiments that proved DNA was copied by semiconservative replication?

The classic experiments demonstrating that DNA is copied by semiconservative replication were performed by scientists Matthew Meselson and Franklin Stahl in 1958. They used isotopic labeling to track the replication of DNA in bacteria and found that the new DNA strands contained one original strand and one newly synthesized strand.

What is the Meselson-Stahl experiment?

The Meselson-Stahl experiment was a landmark experiment conducted in 1958 that provided evidence for semi-conservative DNA replication in bacteria. They grew bacteria in a medium containing heavy nitrogen (15N) and then switched them to a medium containing light nitrogen (14N) and analyzed the density of DNA through generations, showing that DNA is replicated semi-conservatively with each strand serving as a template for a new strand.

What was the name of the experiment that Meselson and Stahl worked on?

The experiment that supported the hypothesis that DNA replication was semiconservative was known as the Meselson-Stahl Experiment.

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