Q138
Consider the following statements and choose the correct answer: In order to be a useful vector, a plasmid: 1. Must possess the genes essential for replication of DNA 2. Must carry, at least, one gene that can be used as a marker for the selection of the plasmid in the transformed cell 3. Must include, at least, one gene recognizable by its product or activity, which possesses within it a cutting site for a restriction enzyme 4. In the rep region must contain a cutting site for the restriction enzyme to be used
A.
Only 1, 2 and 3 are true
AnswerB.
1, 2, 3 and 4 are true
C.
Only 3 and 4 are true
D.
Only 2 and 4 are true
Answer: Option A
Solution
Answer: Option A
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