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What can cause too many background colonies?Too many background colonies का कारण क्या हो सकता है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: Weak selection or contaminationWeak selection या contamination
Background colonies can come from weak antibiotic contamination or empty vector. Screening and controls are necessary.Background colonies weak antibiotic contamination या empty vector से आ सकती हैं। Screening और controls जरूरी हैं।
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