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Why are denatured enzymes not able to break down their substrates?
Denatured enzymes have lost their specific three-dimensional shape, which is essential for binding to their substrates. Without the correct shape, the enzyme cannot properly interact with the substrate to facilitate the necessary chemical reactions for breaking it down. As a result, denatured enzymes are unable to effectively catalyze the breakdown of their substrates.
What characteristics of enzymes makes them specific for substrate?
shape of their active site make them specific for the substrates
How enzyme structure makes an enzyme very specific?
Enzymes are proteins, which are made up of amino acids. Each enzyme has a different sequence of amino acids and changing even one amino acid will mean that the tertiary structure of the enzyme will be lost and so will it's active site. As enzymes are substrate specific, only a certain substrate will bind to its active site, due to its amino acid sequence determining the shape of the active site.
What happens when an enzyme loses it's shape?
Its molecular shape is altered so the substrate cannot fit to its active site
What is denaturing And what causes enzyme denaturing?
Enzymes are proteins that help speed up the the rate of chemical reactions in the human body. Enzymes possess a specific shape and this shape fits into the substrate. When an enzyme becomes denatured, it loses its shape and thus it cannot function effectively. Enzymes may become denatured due to high temperatures or changes in the pH.
Why must a molecule have a specific shape if it is to be a substrate of an enzyme?
Active sites of enzymes (where the substrates fit in) are substrate specific, and are complementary to the shape of the molecule (substrate). In this way, enzymes can only act on a specific substrate, since that is the only shape that it will accommodate in the active site.
By what mechanism do enzymes work?
Enzymes work in a variety of different ways. When a molecule of a correct chemical comes along it will fit exactly into the shape. This is called the active site of the enzyme because this is where the reaction takes place.
How are enzymes damaged by high temperature?
The body has its own normal temp. And enzymes function along with body temp, you go to high or low it can cause severe damage to the body. Enzymes are proteins, and they are denatured (change in structure) when expose to high temps.
Why are denatured enzymes not able to break down their substrates?
Denatured enzymes have lost their specific three-dimensional shape, which is essential for binding to their substrates. Without the correct shape, the enzyme cannot properly interact with the substrate to facilitate the necessary chemical reactions for breaking it down. As a result, denatured enzymes are unable to effectively catalyze the breakdown of their substrates.
What characteristics of enzymes makes them specific for substrate?
shape of their active site make them specific for the substrates
Substrate molecules bind to enzymes where?
The bind in the active site.
How enzyme structure makes an enzyme very specific?
Enzymes are proteins, which are made up of amino acids. Each enzyme has a different sequence of amino acids and changing even one amino acid will mean that the tertiary structure of the enzyme will be lost and so will it's active site. As enzymes are substrate specific, only a certain substrate will bind to its active site, due to its amino acid sequence determining the shape of the active site.
Enzyme is limited in its ability to join with a particular molecule by the what?
Enzymes are limited in their ability to bind with a particular molecule by their specificity. Enzymes have specific active sites that only bind to certain substrates based on their shape and chemical properties. This specificity allows enzymes to catalyze specific reactions in biological systems.
What happens when an enzyme loses it's shape?
Its molecular shape is altered so the substrate cannot fit to its active site
What is an enzyme called when it loses its 3-D shape and becomes nonfunctional?
denatured
An enzyme attaches to substrates at a region known as?
The Active Site. If the protein is denatured however, the active site loses shape and the substrates don't fit in the active site (subtrates are "put together" by the enzyme at the active site).
When talking about enzymes where do reactant molecules bind and convert chemically product?
In enzymes, reactant molecules bind to a specific region called the active site. This is where the chemical reaction takes place and the reactants are converted into products. The active site has a specific shape that matches the reactants, allowing for precise binding and conversion.
