Enzymes are special proteins that control the speed of certain functions in the body; without them, chemical reactions would take place too slowly to keep a person alive. There are many different types of enzymes in the ... More »

Enzymes speed up the rates of reactions within the body. An enzyme acts by binding to a substrate, the substance that will be acted on by the enzyme. When the substrate binds to the enzyme, the reaction takes place. More »

Enzymes are a type of protein, and like other proteins, they are made by the translation of the genetic code into a particular sequence of amino acids by ribosomes. After the enzyme is created as a chain of amino acids, ... More »

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Some of the primary functions of proteins include their enabling the biochemical reactions that help digest food and respond to stimuli, replicating DNA and providing the structural building blocks for muscles, skin and ... More »

Liver enzymes are proteins that speed up chemical reactions and processes in the liver. According to MedicineNet, the most common liver enzymes are aspartate aminotransferase, alanine aminotransferase, alkaline phosphata... More »

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The four roles of proteins are to help provide structure, transport other molecules around the body, facilitate essential biochemical reactions in the body and act as channels for the passage of important molecules to an... More »

The brain is important in the human body because it allows a person to think, feel and store memories, and it controls and coordinates the body’s actions and reactions, states the Atlanta Brain and Spine Care. The brain ... More »