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Before taking up foreign DNA, bacterial cells must first be made:

ACompetent
BConsistent
CConvenient
DContingent
Answer & Solution
Correct answer: A. Competent
1. Cell walls do not let large DNA pass easily. 2. A treatment prepares the cells to take it up. 3. Then they are competent. _Source: syllabus Biology Class XII, Chapter 11, Biotechnology Principles and Processes._
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