What drug causes vitamin deficiency, a skin problem, brain damage, and a chronic liver problem
nicotine

cocaine

alcohol

heroin

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.

Give a brief description of the metal illnesses discussed in class (specifically depression, bipolar, social anxiety, ocd, psychosis, panic disorder.) include a brief description of what you can do to support a person affected for each.

The average person approximately has strands of hair on his head