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Cells whose contents have been removed and replaced, by swelling and shrinking in solutions of suitable osmotic strength are called as ____________

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in Genetic Engineering by (118k points)
Cells whose contents have been removed and replaced, by swelling and shrinking in solutions of suitable osmotic strength are called as ____________

(a) protoplast

(b) ghosts

(c) shrunken cells

(d) vacuole

The question was asked in an internship interview.

The origin of the question is Cultured Cells in Mammals and Restricted Areas in Intact Organisms in section Using Other Organisms of Genetic Engineering

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Correct choice is (b) ghosts

Easiest explanation: Ghosts are those cells whose contents have been removed and replaced by swelling and shrinking in solutions of suitable osmotic strength. Red blood ghosts are also used for the introduction of DNA into mammalian cells.

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