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DEAE-dextran is used for introduction of DNA. It...

DEAE-dextran is used for introduction of DNA. It is a modified _ and is __

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asked Feb 8, 2022 in Genetic Engineering by Charlotte (118k points)

DEAE-dextran is used for introduction of DNA. It is a modified _____ and is ______

(a) polysaccharide, negatively

(b) polysaccharide, positively

(c) monosaccharide, positively

(d) monosaccharide, negatively

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This intriguing question originated from Cultured Cells in Mammals and Restricted Areas in Intact Organisms in chapter Using Other Organisms of Genetic Engineering

genetic engineering
using other organisms
cultured cells in mammals and restricted areas in intact organisms

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1 Answer

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answered Feb 9, 2022 by Noah (693k points)
selected Sep 18, 2022 by Charlotte

Best answer

Right answer is (b) polysaccharide, positively

Easiest explanation: There are various methods for the uptake of transformation DNA such as electroporation and DEAE-dextran method. It is a modified polysaccharide and is positively charged. It forms a complex with negatively charged DNA and is taken into cells by endocytosis.

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