Biotechnology- Principles and Processes Question 57
57. In genetic engineering, the antibiotics are used
(a) as selectable markers.
(b) to select healthy vectors.
(c) to keep the cultures free of infection.
(d) as sequences from where replication starts.
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Answer : a
Hints & Solutions
(a) Antibiotics are powerful medicines that fight bacterial infections. They either kill bacteria or keep them from reproducing. In genetic engineering, the antibiotics are used as selectable markers.
