The uppermost boundary of tree growth in mountainous areas, above which the climate is too harsh for trees to survive.

A group of fungal infections commonly known as ringworm, affecting the skin, hair, or nails.

A collection of cells and extracellular matrix that function together to carry out a particular activity in the body.

The process of cultivating cells in a controlled, artificial environment for research, medical, or agricultural purposes.

A strong, corrosion-resistant metal used in various applications, including medical devices, aircraft, and spacecraft.

An extinct genus of giant snake that lived during the Paleocene epoch, known for its massive size.

A laboratory method of determining the concentration of a solution by reacting it with a solution of known concentration.

Abbreviation for thin-layer chromatography, a technique used to separate and analyze compounds in a mixture.

Abbreviation for melting temperature, the temperature at which half of the molecules of a substance are in the liquid phase…

Abbreviation for tobacco mosaic virus, a plant virus that infects tobacco plants and causes mosaic-like patterns on the leaves.