A6-year-old boy has just come in from school and wants a snack. the mother is trying to maintain a heart-healthy diet for him by following the dietary guidelines for americans. what would be the best snack the mother could give him?
a) peanut butter on crackers
b) low-salt potato chips
c) ice cream
d) cheese-flavored popcorn

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.