RNA and DNA-RNA hybrids are more dense than simply DNA if the density of different nucleic acids is tested using a CsCl gradient.
The primary technique employed in molecular biology is the extraction of DNA, RNA, and protein. Scientists can separate materials according to size, shape, and density by using density gradient centrifugation. Isopycnic centrifugation, a sort of density gradient centrifugation that Meselson and Stahl developed, employed a cesium chloride solution to separate DNA molecules solely on the basis of density. Because DNA has hydrogen bonds between its strands, which makes it less dense than RNA, RNA has a far larger density than DNA. RNA can be obtained at the test tube's bottom using a CsCl density gradient and high centrifugation, whereas DNA can be recovered in the middle layer.
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Each month's fertile period is different for every woman, but on average the days between the 10th and 17th day of the cycle are the most fertile ones. More specifically, this period refers to days 12 to 16 before the beginning of the next period. This timeframe refers to the ovulation, the process that includes the release of an egg from an ovary.
Identical daughter cells are produced as a result of mitosis whereas meiosis results in the formation of the daughter cells which are different genetically.
Mitosis and Meiosis are the stages of the cell cycle which can be further divided into stages called prophase, metaphase, anaphase and telophase. Mitosis results in the formation of two diploid daughter cells which genetically identical to the initial parent cell.
In the process of meiosis, the DNA gets exchanged between the chromosomes that are paired. This shuffling of DNA results in the formation of daughter cells after cell division which are genetically dissimilar.
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