What is an example of the negative influence that the media can have on your health?
a. you don't get enough exercise because you are watching too much television. b. newspapers print stories about current events.
c. billboards present information that is beneficial to your health.
d. radio stations play relaxing music that you to study.

Which of the following represents a difference between viruses and viroids? a) viruses infect many types of cells, whereas viroids infect only prokaryotic cells.b) viruses have capsids composed of protein, whereas viroids have no capsids.c) viruses have genomes composed of rna, whereas viroids have genomes composed of dna.d) viruses cannot pass through plasmodesmata, whereas viroids can.