The functions of biomolecules, including lipids, nucleic acids and especially proteins are determined to a great extent by their structure. This structure–function relationship is a foundation of many ...

Two recently published studies led by Brazilian scientists reveal the key roles of multifunctional proteins, STIP1 and Maspin ...

Lipids are broken down through a process called lipolysis, which involves the hydrolysis of triacylglycerols into fatty acids ...

Cells have an internal skeleton that maintains their structure and also drives their movement. Known as the cytoskeleton, ...

The newly described microbe represents a world of parasitic, intercellular biodiversity only beginning to be revealed by ...

White blood cells help your body fight inflammation and infections. A high or low white blood cell count may be associated with a number of short-term or long-term health conditions. White blood cells ...

To recap, the transverse tubules are indispensable for efficient muscle function. Their key functions are: Rapidly transmit action potentials from the sarcolemma to the interior of the muscle fiber.

Hormones coordinate different body functions by carrying messages through the bloodstream to target cells and tissues. Hormonal imbalances occur through inadequate or excess hormone synthesis, which ...

Red blood cells transport oxygen throughout your body, including to vital organs and tissues. They also help your body get rid of carbon dioxide. Too little or too many red blood cells may be ...

An essential component of the lymphatic system, the thymus, a pyramid-shaped organ located in the thoracic cavity, is responsible for producing T-cells. For centuries, the thymus was believed to be an ...