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Whenever a chromosome is replicated the replication machinery passes by the nucleosomes without deleting the histones from the DNA. How this happens is since not fully understood. Together of the daughter DNA molecules in which result from replication have old histones bound to them but overall, as the amount of DNA has now doubled more histones are needed to package the DNA rightly into nucleosomes. Not surprisingly, therefore, the S phase of the cell cycle is also the time when enormous amounts of histones are synthesized.
figure: Replication of telomeric DNA. Telomerase has a bound RNA molecule that is used as template to direct DNA synthesis and as extension of the ends of chromosomal DNA.
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feeding habit of branchiostoma?
could you please give me a data in the form of tabular column based on milk analysis which can be done in home itself?
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Create a sketch of a petroleum trap. Write a history for how it came to the present (sketched) form following the rules of logical deduction.
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