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Learn about the process of cellular respiration, which converts nutrients into energy and waste products in the cells of living organisms. Find out the differences between aerobic and anaerobic respiration, the steps of glycolysis, the Krebs cycle and oxidative phosphorylation, and the examples of organisms that use them.
Learn about the movement of oxygen and carbon dioxide in and out of the body, and the mechanisms of gas exchange in different species and conditions. Find out how respiration differs from cellular respiration, and explore the topics and experiments related to respiration.
The waste product of respiration is carbon dioxide, which is produced by aerobic and anaerobic respiration. Learn how respiration works, what are the differences and similarities between aerobic and anaerobic respiration, and how cells deal with the waste products.
Adenosine diphosphate (ADP) is an organic compound that stores and transfers energy in living cells. It is formed by removing a phosphate group from adenosine triphosphate (ATP) and can be converted back to ATP by adding a phosphate group.
Ecosystem respiration is the sum of all respiration occurring by the living organisms in a specific ecosystem. [1] The two main processes that contribute to ecosystem respiration are photosynthesis and cellular respiration. Photosynthesis uses carbon-dioxide and water, in the presence of sunlight to produce glucose and oxygen whereas cellular ...
A biography of Hans Krebs, a German-British biologist and biochemist who discovered the citric acid cycle and the urea cycle. Learn about his life, education, career, awards, and contributions to cellular respiration and metabolism.
An electrochemical gradient is a gradient of electrochemical potential, usually for an ion that can move across a membrane. Learn how electrochemical gradients are essential to biological processes like cellular respiration, photosynthesis, and nerve conduction.
Learn about the biochemical processes of carbohydrate formation, breakdown, and interconversion in living organisms. Find out how plants, animals, and fungi use glycolysis, gluconeogenesis, glycogenolysis, and glycogenesis to store and access energy.