One of the three main categories of blood is

What is the hormone in your brain that makes you feel happy?

Which of the following is characteristic of the lytic cycle? a) viral dna is incorporated into the host genome.b) the viral genome replicates without destroying the host.c) a large number of phages are released at a time.d) the virus—host relationship usually lasts for generations.

Explain why hiv is a life-threatening sti.