Explain the relationship among atoms elements and compound

Which of the following occurs after a natural or unnatural disturbance in an ecosystem

What controls activities within a eukaryotic cell?

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