Which of the following aerobic activities has the highest impact on the joints? a. cycling b. swimming c. running d. walking

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.

How many calories do you need to take away one pound

One way your family can be a positive influence on your mental and emotional health is by you