an enzyme what is molecule
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- Enzymes are protein molecules in cells which work as catalysts. Enzymes speed up chemical reactions in the body, but do not get used up in the process. Almost all biochemical reactions in living things need enzymes. With an enzyme, chemical reactions go much faster than they would without the enzyme. p39
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- Enzymes are large molecules that speed up the chemical reactions inside cells. Each type of enzyme does on specific job. Enzymes are a type of protein, and like all proteins, they are made from long chains of different amino acids.
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More About Enzymes Enzymes are complex proteins that facilitate, catalyze or speed up chemical reactions. The precise order of amino acids in the proteins from which they're made determines their shape, and their shape determines their function.
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- Noun. 1. coenzyme-a small molecule (not a protein but sometimes a vitamin) essential for the activity of some enzymes. molecule - (physics and chemistry) the simplest structural unit of an element or compound.cocarboxylase, thiamine pyrophosphate-a coenzyme important in respiration in the Krebs cycle. nonproteinaceous organic substance that usually contains a vitamin or mineral and combines with a specific protein, the apoenzyme, to form an active enzyme system. co′en·zy·mat′ic (-zə-măt′ĭk) adj. co·en′zy·mat′i·cal·ly adv.
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- Noun. 1. enzyme-any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions. active site-the part of an enzyme or antibody where the chemical reaction occurs.
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molecule A molecule, or the simplest structural unit of a substance that still keeps the properties of that substance, is a scientific word that gets used by the nonscientific, as in Every single molecule in my body wants that chocolate cake!. The only problem with molecules really, is that people confuse them with atoms.
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- An enzyme is a protein that speeds up the rate at which a chemical reaction occurs. Enzymes are substrate specific, meaning that each type of enzyme has a specific type of molecule that it affects. The human body needs enzymes to influence the rates at which biological processes occur.
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What is a Molecule ? : Some people confuse the terms  compound  and  molecule . Both of these are the result of chemically joining together atoms of different elements. A molecule is the smallest unit (particle) of a compound that has the physical and chemical properties.
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radical molecule - (physics and chemistry) the simplest structural unit of an element or compound chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
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Enzyme 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.nzymes differ from most other catalysts by being much more specific. Enzyme activity can be affected by other molecules: inhibitors are molecules that decrease enzyme activity, and activators are molecules that increase activity.
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What are Enzymes? - Definition & Explanation Enzymes are proteins that act as catalysts within living cells. Catalysts increase the rate at which chemical reactions occur without being consumed or permanently altered themselves.A chemical reaction is a process that converts one or more substances (known as reagents, reactants, or substrates) to another type of substance (the product).atalysts increase the rate at which chemical reactions occur without being consumed or permanently altered themselves. A chemical reaction is a process that converts one or more substances (known as reagents, reactants, or substrates) to another type of substance (the product).
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Molecule In biology, particularly in biochemistry, a molecule is used less strictly that it can also refer to any minute particle such as charged organic molecules or to substances (called biomolecules) produced and occur naturally in living organisms such as proteins, carbohydrates, DNA, etc.
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enzyme enzyme. n. 1. (Biochemistry) any of a group of complex proteins or conjugated proteins that are produced by living cells and act as catalysts in specific biochemical reactions.nzyme. n. 1. (Biochemistry) any of a group of complex proteins or conjugated proteins that are produced by living cells and act as catalysts in specific biochemical reactions.
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molecule A molecule is the smallest particle of a compound which can exist. An Elementary Study of Chemistry William McPherson The ions formed by the dissociation of any molecule are of two kinds.
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Enzyme-Substrate Complex: Definition & Overview The molecule (or molecules) with which the enzyme bonds is referred to as the substrate; the molecule (or molecules) that are created at the end of the reaction is referred to as the product. The substrate bonds to a small area of the enzyme termed the active site.
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Enzyme-Substrate Complex: Definition & Overview The molecule (or molecules) with which the enzyme bonds is referred to as the substrate; the molecule (or molecules) that are created at the end of the reaction is referred to as the product.The substrate bonds to a small area of the enzyme termed the active site.n the Lock and Key Model, the substrate and the enzyme's active site are exact matches for each other, similar to puzzle pieces fitting together. Only a single substrate is the 'key' that matches the 'lock' of the active site. Once the enzyme locates the molecule that fits it exactly, the chemical reaction begins.
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Enzyme 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.nzymes differ from most other catalysts by being much more specific. Enzyme activity can be affected by other molecules: inhibitors are molecules that decrease enzyme activity, and activators are molecules that increase activity. Many drugs and poisons are enzyme inhibitors.
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Molecule A molecule may be homonuclear, that is, it consists of atoms of a single chemical element, as with oxygen (O 2); or it may be heteronuclear, a chemical compound composed of more than one element, as with water (H 2 O).
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Enzymes The enzyme is a complex protein molecule, but there is a particular site where the reactant molecule 'docks in' by random collision. The enzyme is sometimes referred to as the 'lock' and the initial reactant substrate molecule as the 'key', hence this is called the lock and key mechanism.
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molecule molecule. 1  Chemistry, Physics. the smallest physical unit of an element or compound, consisting of one or more like atoms in an element and two or more different atoms in a compound. 2  Chemistry. a quantity of a substance, the weight of which, measured in any chosen unit, is numerically equal to the molecular weight; gram molecule.
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- 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.nzymes /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.
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- Supporting Appropriate Behavior in sTUdenTs WiTh asperger’s. challenging behaviors are freqUenTly The. primary obsTacle in sUpporTing sTUdenTs WiTh. asperger’s (as).
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- Enzymes are large molecules that speed up the chemical reactions inside cells. Each type of enzyme does on specific job. Enzymes are a type of protein, and like all proteins, they are made from long chains of different amino acids.iological catalysts. Enzymes are soluble protein molecules that can speed up chemical reactions in cells. These reactions include respiration [respiration: Chemical change that takes place inside living cells, which uses glucose and oxygen to produce the energy organisms need to live.
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- An enzyme is a protein that speeds up the rate at which a chemical reaction occurs. Enzymes are substrate specific, meaning that each type of enzyme has a specific type of molecule that it affects.
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Enzymes A catalyst is a substance that speeds up a chemical (metabolic) reaction. The catalyst itself is not used up as a result of its actions. Proteins that function as biological catalysts are called enzymes.
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- enzyme a molecule that changes the speed of chemical reactions inside a cell hemoglobin a protein found in red blood cells which binds to oxygen molecules lactase a protein enzyme that makes it possible for the stomach to digest milk