Which substance would make a good ligand for biotin on the matrix of an affinity chromatography column?

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#Question id: 12914

#Biotechnology

 In Electrophoresis of DNA the gel is first soaked in the alkali then it is transferred to the membrane so that the ________

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#Question id: 13033

#Biotechnology

The sample is then fractionated by electrophoresis through a _______. As all the proteins now have an _______ to mass ratio, they are separated on the basis of their _____.

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#Question id: 27374

#Biotechnology

An aqueous solution contains two compounds X and Y. This solution gave absorbance values of 1.0 and 0.4 at 220 and 280 nm, respectively, in a 1 cm path length cell. Molar absorption coefficients (ε) of the compounds X and Y are as shown in the table below.

The concentration of Y in the solution is___________ mM.

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#Question id: 14474

#Biotechnology

Probability of getting an even number in a single throw with a die is

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#Question id: 14475

#Biotechnology

Probability of getting tail in a throw of a coin is

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#Question id: 14476

#Biotechnology

A bag contains 6 white balls, 9 black balls. The probability of drawing a black ball is