Why are viruses like parasites?
a. they harm the cells they enter.
b. they multiply.
c. they use their own energy to develop.
d. they make their own food.

What is the function of reverse transcriptase in retroviruses? a) it uses viral rna as a template for dna synthesis.b) it converts host cell rna into viral dna.c) it translates viral rna into proteins.d) it uses viral rna as a template for making complementary rna strands.