Which type of medical insurance typically offers the least amount of flexibility in selecting a primary care physician?
a. hmo
b. ppo
c. pos
d. hsa

Explain which dri value would you use to make sure that the vitamin supplement that you use does not contain too much vitamin a

When studying heredity, what is the relationship of dna based and traits? super urgent !

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.