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3 days ago · 1.Replication starts at a specific sequence on the DNA molecule called the replication origin. 2.An enzyme unwinds and unzips DNA, breaking the hydrogen bonds that join the base pairs, and forming two separate strands. 3.The new DNA is built up from the four nucleotides (A, C, G and T) that are abundant in the nucleoplasm.
2 days ago · DNA replication is the process by which the genome’s DNA is copied in cells. Before a cell divides, it must first copy (or replicate) its entire genome so that each resulting daughter cell ends up with its own complete genome.
1 day ago · DNA, organic chemical of complex molecular structure found in all prokaryotic and eukaryotic cells. It codes genetic information for the transmission of inherited traits. The structure of DNA was described in 1953, leading to further understanding of DNA replication and hereditary control of cellular activities.
3 days ago · Eukaryotic DNA replication is a conserved mechanism that restricts DNA replication to once per cell cycle. Eukaryotic DNA replication of chromosomal DNA is central for the duplication of a cell and is necessary for the maintenance of the eukaryotic genome.
4 days ago · The sugar present in DNA is a five carbon pentose called 2'-deoxyribose in which the-OH group on carbon 2 of ribose is replaced by hydrogen. Complete answer: >The mechanism by which a double-stranded DNA molecule is copied to produce two identical DNA molecules is called DNA replication.
4 days ago · DNA Polymerase add the first nucleotide at a new replication fork with the help of an enzyme called primase. Primase makes an RNA primer. A typical primer is about five to ten nucleotides long. The primer primes DNA synthesis, i.e., gets it started.Once the RNA primer is in place, DNA polymerase "extends" it, adding nucleotides one by one to ...
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2 days ago · DNA CONTAINING VIRUS CIRCOVIRUS Circoviridae family comprises of two genera: circovirus (birds/pigs) with 39 species and cyclovirus (birds) with 48 species. Circoviruses are icosahedral, non-enveloped viruses with circular, single- stranded DNA genomes. The capsid is composed of a single viral protein which encloses a genome typically ranging from 1.7-2.2 kb in length. This genome harbors two major open reading frames (ORFs) coding for the viral replication-associated protein (Rep) and the ...
