Required information In gel electrophoresis, the mobility of a molecule in a particular gel matrix is defined as = /E, where is the terminal speed of the molecule and Eis the applied electric field strength. In one case, a molecule has mobility 2.67 × 10-8 C-m/(N-s) and charge -12e. How long does it take the molecule to move 2.10 cm through the gel if the terminal speed of the molecule is 1.80 x 10-5 m/s? min

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.