Aspecialist in the field of study of the aging: geriatric

Mario’s is heavily addicted to smoking but wants to quit. what can he use to reduce the painful effects of withdrawal

List three reasons people may begin using tobacco

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.