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Apparently. The untwisting, unzipping. Rezipping and retwisting occur sequentially and ensure that each newly formed double helix is exactly like other one. The final result is a pair of sister chromatids. Each chromatid attaches to its other copy, or sister, at a point of constriction called centromere. The centromere is a specific DNA sequence of about 220nucleotides and has a specific location on any given chromosome. Bound to each centromere is a disk of protein called a Kinetochore, which eventually is an attachment site for the microtubules of the mitotic spindle. As the cell cycle moves into the G2 phase, however, the chromosomes begin condensation. During condensation each sister Chromatid becomes coiled super coiled into a very tightly compacted structure, which can now be seen with the light microscope and is called a chromosome. During the G2phase, the cell also begins to assemble the structure that it will later use to move the chromosomes to opposite poles of the cell.
Q. Signs and Symptoms of Hypoglycaemia? Let us now learn about signs and symptoms of hypoglycaemia. It is important for you know these because you can help the patient and fami
Explain double circulatory system?
A haploid cell contains: A.one half of a complete set of chromosomes B.several complete sets of chromosomes C.the correct number of chromosomes D.two complete sets of chromosomes E
Is there any situation in which DNA is made based on a RNA template? What is the enzyme included? The process in which DNA is synthesized having as template a RNA chain is know
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These labs discuss the principle of osmolarity, which is defined as the total number of solute particles in 1 L of solution. Is this the same thing as tonicity? Explain your answer
Carbomedics Valve : Almost similar to StJude Medical valve, his is a low profile bileaflet valve made of pyrolitic carbon. On echo cardiography four small jets of regurg
Tina administered 1 liter of sterile distilled water IV to a patient. Predict the direction (increase, decrease, no change) you would expect Tina's infusion to have produced in the
what are the sub- headings in energy?describe energy in biology?
Q. Fiehes test and Aniline chloride test? Determine the adulteration in the given honey sample by Fiehe's test and Aniline chloride test This activity will help you to: •
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