Question

Which is a mechanical vector that injects recombinant DNA directly into the nucleus of a host cell?

a. gene gun
b. micropipette
c. bacterial plasmid
d. viral phage

Answer 1

B) Micropipette

Step-by-step explanation:

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Answer 2

The mechanical vector that injects recombinant DNA directly into the nucleus of a host cell is a gene gun. A vector transports pathogens to the susceptible individual without any biologic development . On the other hand, the bacterial plasmid is a biological vector.

The answer to your question is letter A.