Day: March 24, 2022

Viruses are microscopic infectious agents that reproduce within living cells of an organism. They can infect any life form, including plants, animals, microorganisms, and archea. Although they are not directly deadly, they are the cause of many diseases. To understand the disease process, you need to know more about viruses. Here’s what you need to know about viruses. How does a virus infect an organism? Viruses are composed of many components. The capsid is a protein shell encasing the nucleic acid. The capsid contains subunits called capsomers that are closely […]

Earth is the third planet from the Sun and is one of only two bodies in the Solar System that is completely covered with oceans. Water is common throughout the Solar System, but only Earth is home to liquid surface water. At 71% of the planet’s surface, the oceans dwarf the polar ice, rivers, and lakes. It is no wonder then, that Earth has no life outside of its oceans! While large amounts of water are common throughout the Solar System, the Earth is unique in that it contains the […]