Which of these is a function of the digestive system? a. transports nutrients to other organs b. eliminates nondigestible waste c. regulates blood flow d. builds big molecules from smaller molecules

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.

Which consequence of drug abuse most directly affects the community? a. fines b. criminal record c. loss of driver’s license d. incarceration

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