Which one of the following statements is not | vedclass

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(B) In gel electrophoresis,$DNA$ fragments are separated based on their size through a sieving effect provided by the agarose gel.To visualize the $DN

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The presence of chromogenic substrate gives blue-coloured $DNA$ bands on the gel.

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(B) In gel electrophoresis,$DNA$ fragments are separated based on their size through a sieving effect provided by the agarose gel.To visualize the $DNA$,the gel is stained with ethidium bromide $(EtBr)$.When the stained gel is exposed to $UV$ radiation,the $DNA$ fragments appear as bright orange-coloured bands.Option $B$ is incorrect because chromogenic substrates are typically used in blue-white screening for recombinant colonies,not for visualizing $DNA$ bands in gel electrophoresis.The extraction of $DNA$ bands from the agarose gel is indeed known as elution.

Column-$I$	Column-$II$
$(a)$ Lysozyme	$(i)$ Fat
$(b)$ Cellulase	$(ii)$ Protein
$(c)$ Chitinase	$(iii)$ Bacteria
$(d)$ Lipase	$(iv)$ Fungi (Penicillium)
	$(v)$ Plant (Mangifera indica)

Which one of the following statements is not true regarding the gel electrophoresis technique?

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During the purification process for recombinant $DNA$ technology,the addition of chilled ethanol precipitates out:

Match the columns:

Column-$I$ Column-$II$

$(a)$ Lysozyme $(i)$ Fat

$(b)$ Cellulase $(ii)$ Protein

$(c)$ Chitinase $(iii)$ Bacteria

$(d)$ Lipase $(iv)$ Fungi (Penicillium)

$(v)$ Plant (Mangifera indica)

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