Biological Catalysts

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Catalysts, Biological


biocatalysts, substances formedin living cells that accelerate (positive catalysis) or slow down(negative catalysis) the chemical processes in the body. Biologi-cal catalysts include primarily catalysts of a protein nature, theenzymes.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Enzymes are macromolecular biological catalysts that accelerate chemical reactions.
To replace chemical synthesis with environmentally friendly processes, CEB will identify, develop and test biological catalysts (enzymes) from extremophiles.
For example, the Kell antigen is an enzyme (the biological catalysts).
The reason for this is that leaf protein is actually in the form of enzymes (biological catalysts which speed up and direct biochemical reactions such as those responsible for photosynthesis, respiration, digestion and so on.).
Washington, Sept 4 (ANI): Scientists have proposed that a third type of catalyst, apart from biochemicals-such as amino acids and nucleotides and biological catalysts (proteins or ribozymes), was responsible for origin of life on Earth.
The protein is one of a number of biological catalysts that help control sugar levels in the muscles and liver.
The new process involves combining plant sugars, water, and a cocktail of powerful enzymes - biological catalysts - to produce hydrogen and carbon dioxide.
Enzymes are biological catalysts. A catalyst is defined as a substance that increases the rate of a chemical reaction without itself undergoing any change.
Diversa thus creates powerful new enzymes, biological catalysts that can accelerate otherwise random chemical reactions a billionfold.
Derived from microbes that thrive in surprisingly hostile environments, newly discovered biological catalysts promise to revolutionize industrial processes.

Full browser ?