The two antibiotic resistance genes on vector pBR 322 are for:

1. Ampicillin and Tetracycline
2. Ampicillin and Chloramphenicol
3. Chloramphenicol and Tetracycline
4.  Tetracycline and Kanamycin

Subtopic:  Selectable Markers: I | Selectable Markers: II | Selectable Markers: III | Selectable Markers |
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NEET - 2019
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Select a reporter enzyme that can be used to monitor transformation of host cells by foreign DNA in addition to selectable marker.
1. Protease
2. \(\beta \)-galactosidase
3. Chitinase
4. Lactase
Subtopic:  Selectable Markers |
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Assertion(A): Restriction enzymes are molecular scissors.
Reason(R): They identify DNA sequence and cut them.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Selectable Markers |
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A gene whose expression helps to identify transformed cell is known as:
1. Selectable marker
2. Vector
3. Plasmid
4. Structural gene

Subtopic:  Selectable Markers |
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Level 1: 80%+
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