Aparna Vidyasagar

Reference Viruses are microscopic parasites that lack the capacity to thrive and reproduce outside of a host body.

Reference The term “amoeba” refers to simple eukaryotic organisms that move in a characteristic crawling fashion.

Reference Paramecia are single-celled protists that are naturally found in aquatic habitats.

Reference Protists are one of the six kingdoms of life. They are simple eukaryotic microorganisms that do not fall into the plant, animal, bacteria or fungus groups.

Friend or foe? These tiny microbes can cure or kill.

Meiosis is a specialized form of cell division that produces reproductive cells, such as plant and fungal spores, sperm and egg cells.

Mitosis is a method of cell division in which a cell divides and produces identical copies of itself.

Biofilms are slimy layers of microorganisms that stick to wet surfaces. They may cause up to 80 percent of infections.

Introducing human cells into other organisms is a useful research tool. However, there are ethical considerations.

A lichen is a composite organism consisting of a fungus and an alga functioning in a symbiotic relationship.

Fungi make up a whole kingdom of living organisms, from mushrooms to mold to yeast.

Mutations are alterations to a DNA sequence. They can cause diseases and conditions, but they are also tools in evolution.

Mitochondria are specialized cellular structures that power various functions.