The presence of foreign antigens cause the immune system to produce antibodies.
True
False

Which behavior of an expectant mother is unhealthy

How will your knowledge of hipaa regulations affect your career in healthcare

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.