the cell membrane
The region where reactants bind to an enzyme during a biochemical reaction is called the active site. It is a specific region on the enzyme where the substrate binds, forming an enzyme-substrate complex that leads to the catalysis of the reaction.
Reactants that enter enzyme-controlled reactions are typically substrates. Substrates are the specific molecules that enzymes act upon to catalyze a biochemical reaction. The enzyme binds to the substrate at the enzyme's active site, where the reaction takes place.
After a biochemical reaction, an enzyme typically remains unchanged and can be reused in other reactions.
The enzyme is a biochemical catalyst.
No, substrates are the molecules upon which an enzyme acts to produce a reaction, while reactants are the starting materials that interact to undergo a chemical reaction. In some cases, the substrate itself might be a reactant in a given biochemical system, but not all reactants are substrates.
It speeds it up.
The three factors that affect the rate of a biochemical reaction are temperature, substrate concentration, and enzyme concentration. Temperature influences the kinetic energy of molecules involved in the reaction, substrate concentration determines the amount of reactants available for the reaction, and enzyme concentration affects the number of catalysts available to facilitate the reaction.
To test the hypothesis that an enzyme is not used up during a reaction, you can perform a simple experiment where you measure the enzyme activity before and after the reaction. If the enzyme activity remains the same before and after the reaction, it indicates that the enzyme is not used up. This can be done by measuring the substrate conversion rate or product formation rate.
The substrate is the molecule affected by the enzyme.
Polysaccharide
enzyme
Substrates in an enzymatic reaction are the reactants. They are the molecules that are acted upon by the enzyme to produce the products of the reaction.