Which of the following statements about fat-soluble vitamins are TRUE? A. Fat-soluble vitamins need fat to be present to be absorbed. B. Vitamin C is an example of fat-soluble vitamins. C. Fat-soluble vitamins are vitamins that dissolve fat. D. All of the above

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.