Which nutrient is the most important one for our bodies and comprises one-third of our bones? a. water b. sodium c. calcium d. iron

Sweat glands that cause orders during puberty are present in the body from the time of brith

Which behavior of an expectant mother is unhealthy

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.