Review why carbon can form a variety of organic compounds in a variety of shapes.

When plants use sunlight to make food, the energy of sunlight is

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion

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