Lipid
A lipid is a type of organic molecule found in living things. It is oily or waxy. Fats are made from lipid molecules. Sources of…
Biology
Ion Channels
Ion channels are pore-forming proteins that help to establish and control the small voltage gradient across the plasma membrane of all living cells by allowing…
Immunoglobulins
Immunoglobulins are large Y-shaped proteins that can stick to the surface of bacteria and viruses. They are found in the blood or other body fluids…
An Organotroph
An organotroph is an organism that obtains hydrogen or electrons from organic substrates. It is an organism that obtains hydrogen or electrons from organic substrates.…
A Mixotroph
A mixotroph is an organism that can use a mix of different sources of energy and carbon. It is estimated that mixotrophs comprise more than…
An Autotroph
Autotrophs are usually plants; they are also called “self-feeders” or “primary producers”. It is an organism that makes organic compounds from simple molecules. They are…
Heterotroph
A heterotroph is an organism requiring organic compounds for its principal source of food. It is an organism that requires organic substrates to get its…
Krebs Cycle
The Krebs cycle (named after Hans Krebs) is a part of cellular respiration. Its other names are the citric acidity cycle, and the tricarboxylic acid…
Fat
Fat is one of the three main types of nutrients. Fats are found in many foods. They are an essential part of our diet and…
Erythropoietin
Erythropoietin, or Erythropoetin (EPO) is a hormone produced by the kidneys. Epoetin is a synthetic version. It plays a key role in the production of…
Sympathetic Nervous System
The Sympathetic nervous system is part of the autonomic nervous system. It becomes more active when you are stressed. It directs the body’s rapid involuntary…
Parasympathetic Nervous System
The parasympathetic nervous system (PNS or PSNS) is part of the autonomic nervous system. It is organized in a manner similar to the sympathetic nervous…
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