What characteristics must cold medicine have that allow it to be transported throughout your body?

True or false mucous membranes destroy pathogens on the outer body surface, at body openings.

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.

Deciding how to get home is considered a routine decision