The use of alcohol, drugs and/or tobacco is often associated with chronic stress. true false

How does fluid in the body become lymph? how is it returned to your blood

Wjat are substances intentionally added to food to produce a desired effect?

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.