Vaccines are used to prepare the body to respond to a specific pathogen by A) inhibiting antigen production
B) inhibiting the production of white blood cells
C) stimulating antibody production
D) stimulating red blood cell production

Cell specialization occurs by the process ofa. reproductionb. differentiationc. maturationd. growth

What would most likely happen if green plants were exposed to longer days of sunlight? a. the mitochondria would produce less energy . b. the chloroplasts would produce more energy. c. the cell wall would become thicker. d. the vacuoles would quickly shrink.b. the chloroplasts would produce more energy.

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