What is a very important quality that most scientists have?

Blood cells bring oxygen to cells and take carbon dioxide away. true or false

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.

Health-related fitness components include cardiorespiratory endurance, flexibility, and muscular strength. agility balance body composition reaction time