(02.06 LC) Which of the following is needed for cellular respiration to occur?

Select one:
a. Sodium
b. Oxygen
c. Water
d. Nitrogen

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