Researchers at the University of Porto (Porto, Portugal) aiming to uncover novel therapeutic targets for bone loss of ...

Several key moments in Earth's history help us humans answer the question "How did we get here?" These moments also shed ...

A new study reveals that the aerobic nitrogen cycle in the ocean may have occurred about 100 million years before oxygen began to significantly accumulate in the atmosphere, based on nitrogen isotope ...

Several key moments in Earth's history help us humans answer the question, "How did we get here?" These moments also shed light on the question ...

Biomolecular condensates are distinct molecular communities made of DNA, RNA and proteins that "condense" molecules to key ...

BACKGROUND: Dilated cardiomyopathy (DCM) is substantially influenced by genetic factors. Sarcomere function is intricately associated with other organelles, particularly the reciprocal regulation ...

The process is called extracellular respiration, which mimics how batteries discharge electric current -- allowing bacteria to thrive without oxygen.

Save guides, add subjects and pick up where you left off with your BBC account. Revising cellular respiration? Test your knowledge with this Higher Human biology quiz.

This process requires specialized organs such as the lungs or gills. This oxygen is used for cellular respiration and metabolism, a byproduct of which is carbon dioxide.