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Every DNA ladder is different because it is composed of a unique set of DNA fragments that vary in size, sequence, and concentration, tailored for specific applications in molecular Biology. The choice of fragments is influenced by the desired range for size estimation and the specific experiments being conducted. Additionally, the methods used for fragment generation, purification, and labeling can also lead to variations among different DNA ladders. Consequently, researchers select a DNA ladder that best suits their experimental needs for accurate size comparison of DNA samples.

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3w ago

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