Infants whose mothers have high levels of mutans streptococci (MS) as a result of untreated dental caries are at greater risk of acquiring organisms earlier than children whose mothers have low levels; thus, pregnant women should have all carious lesions restored prior to delivery to reduce MS levels. True or False

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.