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The first member of this family, Mimivirus, was discovered in 2003, [6] and the first complete genome sequence was published in 2004. [7] However, the mimivirus Cafeteria roenbergensis virus [8] was isolated and partially characterized in 1995, [9] although the host was misidentified at the time, and the virus was designated BV-PW1.
The stages of mimivirus replication are not well known, but as a minimum it is known that mimivirus attaches to a chemical receptor on the surface of an amoeba cell and is taken into the cell. Once inside, an eclipse phase begins, in which the virus disappears and all appears normal within the cell.
During DNA replication, each strand of DNA is used as a template for the creation of new strands using a partially-conserved mechanism; proper functioning of this process results in two identical, paired chromosomes, often called sisters.
All cell divisions, regardless of organism, are preceded by a single round of DNA replication. For simple unicellular microorganisms such as the amoeba, one cell division is equivalent to reproduction – an entire new organism is created.
Replication Factories Disentangle Sister Chromatids. The disentanglement is essential for distributing the chromatids into daughter cells after DNA replication. Because sister chromatids after DNA replication hold each other by Cohesin rings, there is the only chance for the disentanglement in DNA replication. Fixing of replication machineries ...
The siblings are still processing the fact that they are biologically related, but say nothing about their relationship has changed. “I was shaking when I read the results.
Chromosome segregation is the process in eukaryotes by which two sister chromatids formed as a consequence of DNA replication, or paired homologous chromosomes, separate from each other and migrate to opposite poles of the nucleus. This segregation process occurs during both mitosis and meiosis. Chromosome segregation also occurs in prokaryotes ...
Abbott Elementary returns from winter break tonight — and the regular crew has got some company.The newest episode, “Volunteers,” will see Abbott’s fellow Philadelphia residents visit for ...