5. water plays an important part in everyone's lives. water to
a. regulate body temperature
b. carry oxygen and nutrients to cells
c. remove toxins and waste products from the body
d. all of the above

Bloodborn pathogens are infectious microorganisms carried by what?

During a formal discussion in his science class, kai will be speaking about the important of exercise. what is the best advice he can follow to be a prepared speaker

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.