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Biology Biotechnology Principles and Processes NCERT Single Correct MCQ
Published on: August 14, 2026

Significance of heat shock method in bacterial trans formation is to facilitate

A
binding of DNA to the cell wall
B
uptake of DNA through membrane transport proteins
C
uptake of DNA through transient pores in the bacterial cell wall
D
expression of antibiotic resistance gene

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The correct answer is:
C

In the heat shock method, bacterial cells become temporarily permeable, forming transient pores through which recombinant DNA can enter the cells.

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