Cathy conducts a scientific investigation. how can she make sure her results are valid?

Each hereditary trait corresponds to

Viruses can be transmitted through air, water, food, insect bites, and direct skin contact. once a virus gains entry into the body, it invades a host cell in order to? a. synthesize antibodies for defense b. deactivate the host cell's defenses c. access cell processes for reproduction d. metabolize host proteins and grow

Water diffusing through a semipermeable membrane is called