Answered: During DNA replication,why is it that…

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Biology

During DNA replication,why is it that the entire molecules does not open in one go?

Human Biology (MindTap Course List)

11th Edition

ISBN:9781305112100

Author:Cecie Starr, Beverly McMillan

Publisher:Cecie Starr, Beverly McMillan

Chapter21: Dna, Genes, And Biotechnology

Section: Chapter Questions

Problem 1RQ: Why is DNA replication called semiconservative?

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Concept explainers

Viral Replication

The virus is acellular and considered non-living outside the host cell. The replication of the virus occurs only inside the living cells. Only a few genes are present in the smallest virus, whereas many genes are present in the largest virus. These genes encode specific viral proteins.

Question

During DNA replication,why is it that the entire molecules does not open in one go?

Definition Definition Mechanism by which deoxyribonucleic acid (DNA) is capable of producing an exact copy of itself. DNA molecules utilize a semiconservative method for replication. DNA replication is the most essential part of biological inheritance and is crucial for cell division during growth and repair of damaged tissues.

Expert Solution

Step 1

DNA replication is the process of making two identical copies of DNA (deoxyribonucleic acid) from one original copy. This process occurs in the nucleus of the cell when the cell is in the S (synthesis)phase of the cell cycle. The replication is semi conservative that is, both the parent strands act as a template and upon replication a duplicate daughter strand is made with one strand conserved from the parent and the other are a newly synthesized complementary strand. The replication occurs in both directions from 5’to 3’.

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