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Enzymes are biological molecules that catalyze (i.e., increase the rates of) chemical reactions.
In enzymatic reactions, the molecules at the beginning of the process, called substrates, are converted into different molecules, called products.
Almost all chemical reactions in a biological cell need enzymes in order to occur at rates sufficient for life. Since enzymes are selective for their substrates and speed up only a few reactions from among many possibilities, the set of enzymes made in a cell determines which metabolic pathways occur in that cell.

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Related Questions

What is the substance an enzyme act upon called?

the substance that an enzyme acts upon is subtrate


What is the substance on which an enzyme acts during a chemical reaction?

a catalyst


This essential substance increases the rate of a biochemical reaction?

the inorganic substance which increases the enzyme activity is called?


What term describes a biological substance that acts as a catalyst?

enzymes


The enzyme molecule region that combines with the substance it acts upon is what?

the active site


During enzme-catalyzed actions substrate is a synonym for?

In enzyme-catalyzed reactions, the term "substrate" is synonymous with the molecule or molecules that the enzyme acts upon to produce a reaction. It is the specific substance upon which an enzyme acts to produce a product.


A part substance or element that lies beneath and supports another part substance or element the reactant in reactions catalyzed by enzymes?

Substrate is the term used to describe a substance that undergoes a reaction catalyzed by an enzyme. It is the substance that is acted upon by the enzyme to form a product. In a chemical reaction, the substrate is the molecule upon which an enzyme acts.


What is the difference between substrate and product?

The substrate is the substance (or substances) that attaches to the enzyme's active site before the reaction occurs.The product is the substance (or substances) that is formed after the enzyme has worked on the substrate.///


The molecule on which an enzyme acts is called an?

The substance on which enzymes act are called substrates.


This is the material or substance on which an enzyme acts?

The material or substance on which an enzyme acts is called a substrate. Enzymes bind to their specific substrate molecules to catalyze a biochemical reaction, resulting in the creation of products. This process allows enzymes to speed up reactions within cells and facilitate various biological processes.


What substance enzyme combines with to form a product?

An enzyme combines with a substrate to form a product through a series of chemical reactions. The substrate is the specific molecule that the enzyme acts upon, while the product is the end result of the enzyme catalyzing the reaction.


Substrate is a synonym for?

A substrate is a surface or substance in which an organism can attach itself to support its growth. A synonym for substrate is substratum.