The host is always harmed in a parasitic interaction. a. true b. false

Adequate flourish intake during infancy and childhood cuts the incidence of tooth decay up to percent

Describe an individual healthy weight-management plan. the plan should include specific details about goals, diet, exercise, and evaluative monitoring.

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.