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Question

In the diagram of pBR 322, which identifies components correctly:

692472_536d52e82f55492e9115267d858e1434.png

A
rop-reduced osmotic pressure
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B
Hind III, EcoRI selectable markers
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C
AmpR, tetR antibiotic resistance genes
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D
ori original restriction enzyme
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Solution

The correct option is B AmpR, tetR antibiotic resistance genes
Given diagram is a plasmid which has following characteristics:-
Restriction sites: BamH I, Hind III, Sal I, Pvu I, Pvu II, Pst I, EcoR I, Cla I
Selectable marker: antibiotic resistance genes for ampicillin (ampR) and tetracycline
(tetR).
ORI: the origin of replication
ROP: It codes for proteins, which are involved in the process of replication of plasmid.
So the correct answer is option C.

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