Making positive lifestyle choices will
a. make you the most popular person at school
b. not allow you to have friends because everyone will think you aren't cool
c. only be possible if your parents made positive lifestyle choices
d. result in a healthier life

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.