A) integration of copy DNA of a retrovirus with host chromosome (DNA)
B) integration of RNA with host DNA
C) integration of genetic DNA with host DNA
D) All of the above
Correct Answer: A
Solution :
Prophage is integrated DNA of temperate lysogenic phage virus with bacterial DNA is lysogeny. Provirus is copy DNA (CDNA) formed by retrovirus with host chromosome as in AIDS virus. Protovirus is the first cell in origin of life.
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