What is the prominent part of animal tissue:

Are the earth's ocean floor and continents the same age geologically? why or why not?

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

This is the nitrogenous base only found in rna