How long am I contagious when I have the flu or a cold?

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.

Agirl is working really hard in high school and decides to finish some of her classes early , what classes should she choose?

True or false. bulimia can begin with a weight-loss diet.