Which of the Following Are Steps in Dna Replication

This is the point where the. Following are the important steps involved in DNA replication.

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4Hydrogen bonds between nucleotides form.

. What is the role of DNA helicase in the. What type of biological molecule is DNA helicase. The answers to these questions are DNA replication and protein synthesis.

The mutation rate per base. Then a protein known as helicase attaches to and. For the replication to begin there is a particular region called the origin of replication.

Number the steps below in order to describe the replication of DNA in a cell. 3Free nucleotides are attracted to exposed bases on the loose strands of DNA. The rate of DNA replication in a living cell was first measured as the rate of phage T4 DNA elongation in phage-infected E.

During the period of exponential DNA increase at 37 C the rate was 749 nucleotides per second. DNA replication demands a high degree of accuracy because even a minute mistake would result in mutations. First a so-called initiator protein unwinds a short stretch of the DNA double helix.

1Hydrogen bonds between nucleotides break. Together these three discrimination steps enable replication fidelity of less than one mistake for every 10 9 nucleotides added. Thus replication cannot initiate randomly at any point in DNA.

The initiation of DNA replication occurs in two steps. 2 Strands of DNA separate. Knowledge of the structure of DNA began with the discovery of nucleic acids in.

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