A virus must take over a living cell's machinery to make more viruses.| Science News Explores
These are organisms that belong to the same species, but have definable differences.| Science News Explores
A molecule is a group of atoms linked with chemical bonds. It’s the smallest particle of a substance that has all of its chemical properties.| Science News Explores
Proteins are molecules made up of building blocks called amino acids. They play many key roles in the body’s cells and are essential for life.| Science News Explores