Based on the characteristics described, which category do you think humans belong to? Why do you think they fit in this category?

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?

How and why organisms are hierarchically classifies

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