Which of the following spreads disease? you dry your hands with:
a. an air dryer
b. a shared cloth towel
c. paper towels
d. a single use towel

Does indrect sunlight does not pose any danger to the skin

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.

Mary is 14 year old her resting heart rate is 70 beats per minute. calculate 50% of mary's maximum heart rate to fine her target heart rate