While playing outside, a girl falls and hits her leg. Later that day, she notices a red spot where the injury occurred. It’s tender to the touch and appears to be swollen and discolored. She most likely has which of the following injuries? laceration

broken leg

contusion

ruptured organ

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.