How does participating in an impact exercise such as jumping rope affect you?

a. it decreases your chance of injury.
b. it increases your contraction rate.
c. it decreases your flexibility.
d. it increases your bone density.

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.