What might happen if your bladder lacked sphincter muscles? a
urine could not enter the bladder
b
you would not be able to expel urine from the bladder
c
urine might leak out of the bladder
d
your kidneys would shut down

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.