In the construction of Retroviral vectors, __________ provides the missing viral functions.

In the construction of Retroviral vectors, __________ provides the mis

1.	In the construction of Retroviral vectors, __________ provides the missing viral functions.
A.	Packaging line
B.	Immunity line
C.	Helper virus
D.	Host machinery
Answer» B. Immunity line

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In the construction of Retroviral vectors, __________ provides the missing viral functions.

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