Identify the nutrient that kale and other leafy greens contain in significant amounts. a. fats b. oils c. vitamin b12 d. folate.

Nina has the flu and a high fever. her immune system is exhibiting the line of defense. this defense is part of immunity.

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.

About how many individuals in the us go bankrupt each year due to medical bills?