short essay about dna replication

text "Essentials of Physical Anthropology." The article just like the book shows a diagram of how "the bases which are exposed when unwind, attract unattached DNA nucleotides." This process as stated by the article. The replication fork is necessarily moving in the 3 to 5 direction on this strand. But now it is believed that DNA replication is semi-discontinuous. In other words, the process is catalized by the polymerase enzyme. This method of DNA replication is not accepted as it could not be proved experimentally. Coli, which demonstrated that DNA replication is semi-conservative. The replication of this template is complicated and the new strand is called lagging strand. Currently, six families of polymerases (A, B,.

short essay about dna replication

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On this strand, numerous primer sequences are inserted so that the DNA polymerase III can backtrack to build the new sequence as the strand is unwound. DNA Repair: The DNA replication is not completed without DNA repair. Short segments of nucleotides are synthesized in the lagging strand of DNA as a result of discontinuous replication. Cairns Experiment 1963 : Organism Used: He also conducted his experiment short essay about disadvantages of fast food with human intestine bacteria. These ends of linear (chromosomal) DNA consist of noncoding DNA that contains repeat sequences and are called telomeres.

short essay about dna replication