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What is enzyme specificity?


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Answered 2009-08-23 00:11:31

An enzyme is specific to one and only one reaction.

So if we consider Enzyme A, which combines X and Y to make Z, that is the ONLY reaction it will catalyze.

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Does the shape of an enzyme protein determine specificity?

Shape of an enzyme specifically shape of its active site determines enzyme specificity .


How do enzymes maintain specificity?

Structure allows enzymes to maintain specificity. The level of specificity varies from enzyme to enzyme, with some exhibiting absolute specificity while others are less specific.


What is meant by enzyme and substrate specificity?

enzyme-substrate specificity means that only a certain enzyme can fit into a substrate. it is kind of like a key-lock specificity where only one key can fit into that lock


What are the different types of enzyme specificity with examples?

1) absolute specificity 2) Group specificity 3) Linkage specificity 4) Stereochemical specificity


What would be unlikely to contribute to the substrate specificity of an enzyme?

The allosteric site is distinct from the active site, and does not affect the substrate specificity of the enzyme


How is protein structure involved in enzyme specificity?

Pie


What is the main difference between a Pt catalyst and an enzyme catalyst?

an enzyme catalyst has greater substrate specificity


What is enzyme-substrate specificity?

Enzyme-substrate specificity means that a substrate can fit into an enzyme similar to a key fitting into a lock. The active site of the enzyme is what determines its specificity. An enzyme can hence catalyze a reaction with a specific substrate, such as amylase catalyzing starch molecules. During these reactions, the substrate is held in a precise optimum position to create and break bonds, catalyzing the molecule.


What is the definition of enzyme specificity?

each enzyme has a specific substrate to which it binds through a definite active site and any other enzyme can not bind to it


The lock and key hypothesis attempts to explain the mechanism of?

enzyme specificity


What property of enzymes does protease not working on lipids show?

Enzyme specificity .


Which level of protein structure is mostly responsible for the specificity of an enzyme?

tertiary


Why does enzyme specificity promote enzyme activity?

Because enzymes are specific and speed only one type of reaction.


If an enzyme is a protein how might you change the specificity of such an enzyme?

What an enzyme does is based on its shape, therefore you would have to change it on a molecular level in order to alter its job.


Can an enzyme bind to nearly any molecule?

No; enzymes have substrate specificity, which means the substrate has to be a specific shape for the enzyme to bind to it.


What is one explanation of enzyme specificity that states an enzyme and its substrate possess specific complementary geometric shapes that fit exactly into one another?

There is an enzyme explanation whose specificity states that an enzyme and its substrate possess specific complementary geometric shapes that fit exactly into one another. This is the lock and key explanation.Ê


Why did the enzyme react to lactose and not sucrose?

Lactase. This is due to enzyme-substrate specificity. The active site of lactase fits lactose but not sucrose.


What causes enzyme specificity?

The enzyme's surface folds are complementary to the substrate's surface folds.


What does enzyme specificity mean?

An enzyme is specific to one and only one reaction. So if we consider Enzyme A, which combines X and Y to make Z, that is the ONLY reaction it will catalyze.


How is an active site related to an enzyme specificity?

The active site is where a substrate binds. Enzymes have very specific shapes as do their active sites. This means that only molecules with that certain shape can fit in the active site. This is called the lock-and-key theory of enzyme specificity.


What is most directly responsible for the specificity of a protein enzyme?

The R groups of the amino acids in its active site


What is enzyme specificity in biology?

Enzymes are specifically designed to only bind to certain molecules. If a molecule comes into contact with an enzyme and it is not its specific substrate it will not bind and no reaction will occur


What is the enzyme specificity of salivary amylase?

It's produced in the mouth & works on starch to break it down into shorter polysaccharides.


The specificity of an enzyme is due to its active siteThe active site is a shape only a certain?

Substrate molecule can fit into it


What happens if enzymes loose their specificityAsk us anything?

They can't catalyse reactions. The specificity of the active site of the enzyme is crucial: without it, the enzyme won't fit with he desired substrate, hence there won't be any reaction. Losing this specificity is due to a conformational change at the active site, andis known as denaturisation.