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We know that DNA is a self-replicating structure and DNA replicates semi-conservatively. However, DNA replication is catalyzed by a set of enzymes. Let’s learn about the DNA replication process and the role of enzymes involved in DNA replication.
DNA replication is semi-conservative, semi discontinuous, which always occurs in the 5′ —> 3′ direction. Replication of the 3′ —> 5′ strand of a DNA molecule proceeds continuously; therefore, the 3’—>5′ strand of DNA molecule is known as the leading strand.
CBSE Class 12. Subject. Biology. REPLICATION OF DNA. The Watson-Crick model of DNA immediately suggested that the two strands of DNA would separate. Each separated or parent strand serves as a template (model or guide) for the formation of a new but complementary strand.
Nov 2, 2023 · DNA replication is the process of producing two identical copies of DNA from one original DNA molecule. DNA is made up of millions of nucleotides, which are composed of deoxyribose sugar, with phosphate and a base. The complementary pairing of these bases keeps the double strands intact.
Overview. DNA Replication is a semiconservative method wherein every parental strand serves as a template for the synthesis of a new complementary daughter strand. The Enzyme involved is DNA polymerase, which involves the joining of deoxyribonucleoside five′-triphosphates (dNTPs) to form the developing DNA chain.
In this chapter we are going to discuss the structure of DNA, its replication, the process of making RNA from DNA (transcription), the genetic code that determines the sequences of amino acids in proteins, the process of protein synthesis (translation) and elementary basis of their regulation. The determination.
3 days ago · Class 12 Notes, Molecular Basis of Inheritance: DNA Replication The process of producing two identical copies of DNA from a single DNA molecule is called DNA replication. This section describes this whole process in details, as it is a process of biological inheritance.
DNA- Deoxyribonucleic Acid is considered the molecule of inheritance as it carries genetic information in all living organisms. It is a long polymer chain of deoxyribonucleotides. Its length depends on the number of nucleotide base pairs present in it.
bacteria contains DNA surrounded by a protein coat. When it infects a bacterial cell, it attaches onto the outer surface followed by injecting its DNA into the cell.
Oct 16, 2020 · In molecular biology, DNA replication is the primary stage of inheritance. Central dogma explains how the DNA makes its own copies through DNA replication, which then codes for the RNA in transcription and further, RNA codes for the proteins by the translation.
