Enzymes Determine The Rate Of Chemical Reactions

Enzymes are proteins that act as catalysts during a biochemical process. Catalysts are non-changing enzymes that can increase or decrease activation energy to accelerate or slow down a biochemical reaction without using additional energy.

Enzymes are a very important to the biological process. Enzymes help break down food and are essential in helping convert that food to energy. Enzymes have a single function, which makes them unique and need specific conditions in order for the reaction to occur. Every function in an organism has its own unique enzyme (What are enzymes?). One important thing to know about enzymes is that they are proteins. According to rsc.org enzymes are efficient catalysts for biochemical reactions and they, “speed up reactions by providing an alternative reaction pathway of lower activation energy” (Enzymes).

Living cells within our bodies perform an abundance of chemical reactions very speedily because of the participation of enzymes. Enzymes are biological catalysts that speed up a chemical reaction without being depleted or altered in the reaction (Garrette & Grisham, 1999). The

Without enzymes the existence of life is questionable since all metabolic processes in the cell cannot occur at a faster rate enough to sustain life. All the essential biological reactions in living things depend on enzymes’ catalytic activity. Enzymes are usually proteins, though some Ribonucleic Acid (RNA) molecules act as enzymes too, that speed up the rate of biological reactions without being consumed by the reaction. (Reece,2016, p.83) For instance, the presence of enzymes in the conversion of DNA to RNA allows a reaction that would otherwise take millions of years to occur in milliseconds. Like all catalysts, enzymes accelerate the rate of reaction by lowering the activation energy that is the amount of energy that must be put in for the reaction to begin. (Reece,2016, p.83)

Enzymes are a key aspect in our everyday life and are a key to sustaining life. They are biological catalysts that help speed up the rate of reactions. They do this by lowering the activation energy of chemical reactions (Biology Department, 2011).

In order to understand how enzymes work, it is important to know what a catalyst is. A catalyst is a substance that enhances the rate of a chemical reaction without undergoing any irreversible chemical change at the end of the reaction (Chemicool). An enzyme is a protein that functions as a catalyst during chemical reactions. In order for chemical reactions to occur, a certain amount of energy in what is known as the activation

Enzymes are catalyst that are used to speed up the rate of reaction by at least a million times in the body. Enzymes catalyze reactions by breaking down the activation energy required for the reaction to actually happen, however, the enzyme itself is

What is an enzyme? An enzyme is a biological catalyst that can speed up a chemical reaction by lowering the activation energy. Typically the lower the activation energy the faster the reaction will be. It's made up of a plethora of different types of proteins that forms into a 3D like shape. Enzymes are very important to the human body, because it keeps the chemical activity that undergoes in our body at a low temperature.

Of the many functions of proteins, catalysis is by far the most vital. When catalysis is not present, most reactions in the biological systems take place very slowly to produce at an adequate pace for metabolising organism. The catalysts that take this role are called enzymes. Enzymes are the most efficient catalysts; they can enhance rate of reaction by up to 1020 over uncatalysed reactions. (Campbell et al, 2012).

The central role of enzymes is to function as biological catalysts. Since the fundamental tasks of a protein is to act as an enzyme, catalysts increase the rate of the activation energy within a cell. Cell contain thousands of different enzymes, and their activities determine what chemical reaction will take place within the cell. The enzyme and the activation energy function as a process within the cell, chemical reactions do not just occur spontaneously or sporadically. Enzymes control the productivity and speed of chemical reactions within our body, it’s important to understand how they catalyze and function.

An enzyme is a substance that acts as a catalyst in living organisms by speeding up the rates of chemical reactions in that organism (Coker, 2015). Enzymes, which are proteins, are the most common biological catalysts (Herz, 2017). Enzymes are able to increase the rate of chemical reactions by lowering the activation energy needed for a reaction to occur. However, one thing that enzymes do not do is supply free energy to a reaction or change the total energy of a reaction (Herz, 2017). Enzymes also follow a rule of substrate specificity. This means that each enzyme catalyzes the reaction of a single substrate or a group of closely related substrates, and is also the reason why a typical cell in the human body needs over 4,000 enzymes to function (Herz, 2017). Enzymes are also reusable, because they are not consumed in the reactions they catalyze (Coker, 2015). Temperature and pH are two main factors that affect enzyme activity. When fluctuations in temperature and pH occur, an enzyme may denature and lose its function (Coker, 2015). For most enzymes, extremely high temperature and an extremely low and acidic pH can cause the protein to denature.

Enzymes are proteins produced by living cells that act as catalysts, which affect the rate of a biochemical reaction. They allow these complex biochemical reactions to occur at a relatively low energy usage. In enzyme-catalyzed reactions, a substrate, the substance to be acted upon, binds to the active site on an enzyme to form the desired product. Each active site on the enzyme is unique to the substrate it will bind with causing each to have an individual three-dimensional structure(this is also called enzyme specificity).Enzymes are recyclable and unchanged during the reaction.

Enzymes, as catalysts, escalate the rate of the chemical reactions within cells. As such, they reduce the time that a thermodynamic reaction takes to reach equilibrium. Additionally, enzymes are not consumed in the chemical reaction, a feature that makes them catalysts.

An enzyme is a catalyst. Catalysts are known for speeding up the rate of reactions by lowering the activation energy of the biochemical reaction. (Reece et al., 2011)

An enzyme is a macromolecule that works as a catalyst and speeds up chemical reactions through a substrate that binds to the active site of the enzyme. When this process occurs, the enzyme lowers the activation energy needed. This allows the reactant molecules to reach a state where they can complete a reaction in most temperatures. The enzyme is not consumed when a chemical reaction is taking place, however, it’s shape changes in order to create a proper space for a substrate to bind to. Since the enzyme is not consumed in the process of reactions, it can begin to lower the activating energy of another process as soon as the first process is complete and it has returned to its original shape. Without the assistance of enzymes, the pathways of metabolism in humans would be obstructed because every process would take so long (Smith et., 2015).