69 points; ) substances are complex molecules that contain carbon atoms bonded to hydrogen atoms. a)organic b)inorganic c)ionic d)metallic

Has regulatory areas for thirst, hunger, body temperature, water balance, and blood pressure

What could happen if two base pairs on a strand of dna or switched

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