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Enzymes. Most enzymes are proteins and therefore their function is specific to their structure. Enzymes function as a catalyst to increase the rate of virtually all the chemical reactions that take place in a living system.  Enzymes as catalysts Enzymes are mainly globular proteins-protein molecules where the tertiary structure has given the molecule a generally rounded, ball shape (although perhaps a very squashed ball in some cases). PROTEINS AS ENZYMES This page is an introduction to how proteins can work as enzymes-biological catalysts. You should realise that this is written to cover the needs of a number of UK-based chemistry syllabuses for 16 - 18 year olds. Enzymes are biomolecules that catalyze (i.e., increase the rates of) chemical reactions.[1][2] Almost all enzymes are proteins. In enzymatic reactions, the molecules at the beginning of the process are called substrates, and the enzyme converts them into different molecules, called the products. Enzymes ARE proteins, they are made out of amino acids. And the bonds that hold them together (not the individual amino acids but the bonds that help the enzyme to get its structure) can be denaturated by high temperature (among other things). Source(s): Antikos · 7 years ago. Enzymes consist of long strings of amino acids. Like all other proteins, enzymes are made of amino acids. Each enzyme is made of between a hundred and upwards of a million amino acids placed like pearls on a string. Each amino acid is bonded to the next by chemical bonds. The vast majority of enzymes are made of only 20 different kinds of amino acid. All the same, enzymes catalyze all processes in the body, enabling organisms to build up chemical substances such as other proteins, carbohydrates or fats that are necessary for life.In short, all enzymes are proteins, but not all proteins are enzymes. If a protein can catalyze a biochemical reaction, it is an enzyme. Enzymes are biological catalysts-catalysts are substances that increase the rate of chemical reactions without being used up. Enzymes are also proteins proteins: organic compounds made up of amino acid molecules. One of the three main food groups, proteins are needed by the body for cell growth and repair. that are folded into complex shapes that allow smaller molecules to fit into them. Proteins differ from one another primarily in their sequence of amino acids, which is dictated by the nucleotide sequence of their genes, and which usually results in protein folding into a specific three-dimensional structure that determines its activity. A linear chain of amino acid residues is called a polypeptide. A protein contains at least one long polypeptide. Short polypeptides, containing less than 20-30 residues, are rarely considered to be proteins and are commonly called peptides, or sometimes oligopeptides. Some household products use enzymes to speed up chemical reactions: enzymes in biological washing powders break down protein, starch or fat stains on clothes, and enzymes in meat tenderizer break down proteins into smaller molecules, making the meat easier to chew. Enzymes /ˈɛnzaɪmz/ are macromolecular biological catalysts. Enzymes accelerate, or catalyze, chemical reactions. The molecules at the beginning of the process are called substrates and the enzyme converts these into different molecules, called products. Report Abuse. Enzymes (pronounced /ˈɛnzaɪmz/) are proteins that catalyze (i.e., increase the rates of) chemical reactions.[1][2] In enzymatic reactions, the molecules at the beginning of the process are called substrates, and they are converted into different molecules, called the products.  This is how a cell grows and reproduces. At the most basic level, a cell is really a little bag full of chemical reactions that are made possible by enzymes! Enzymes are made from amino acids, and they are proteins. When an enzyme is formed, it is made by stringing together between 100 and 1,000 amino acids in a very specific and unique order. The chain of amino acids then folds into a unique shape.  Chemical Nature of Enzymes. All known enzymes are proteins. They are high molecular weight compounds made up principally of chains of amino acids linked together by peptide bonds. See Figure 1. Enzymes can be denatured and precipitated with salts, solvents and other reagents. They have molecular weights ranging from 10,000 to 2,000,000.
http://www.infoplease.com/cig/biology/proteins.html http://www.chemguide.co.uk/organicprops/aminoacids/enzymes.html https://answers.yahoo.com/question/index?qid=20090429205359AAbK0iP http://www.novozymes.com/en/about-us/our-business/what-are-enzymes/Pages/default.aspx http://www.bbc.co.uk/schools/gcsebitesize/science/add_aqa_pre_2011/enzymes/enzymes1.shtml https://en.wikipedia.org/wiki/Protein https://en.wikipedia.org/wiki/Enzyme https://answers.yahoo.com/question/index?qid=20110619070724AAqwLPI http://science.howstuffworks.com/life/cellular-microscopic/cell2.htm http://www.worthington-biochem.com/introBiochem/chemNature.html
are chemical enzymes mostly made of proteins