Someone please help. (3 sentences minimum) -A way to remember how genes are regulated is..
-I can understand the role of DNA in the formation of traits that pass to offspring by..
-Models of DNA help me understand..

Which organelle breaks down sugar molecules that supply energy to the cell ?

1. which of the following transport mechanisms utilizes energy? a. osmosis b. diffusion c. facilitated diffusion d. endocytosis

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