0
What else can I help you with?
What is a induced fit hypothesis?
a. The substrate can be altered so it is induced to fit into the enzyme's active site. b. The enzyme changes its shape slightly as it binds to the substrate. c. The enzyme is altered so it is induced to fit many different types of substrate. d. Several sites on an enzyme can be induced to act on a substrate.
How does the induced fit model help to explain non-competitive inhibition?
The induced fit model is the theory that instead of enzymes and substrates fitting exactly together, as in the lock and key model, the enzyme changes shape around the substrate to bind with it. Non-competitive inhibition is where the inhibitor does not fit into the active site, but into another site on the enzyme instead, which changes the shape of the active site.
What are 4 ways enzymes can lower activation energy?
1. orienting(direction) substrates correctly 2. straining substrate bonds 3. Providing a favorable micro environment 4. Covalently bonding to the substrate got the answers from my AP Bio notes....
How does an enzyme become denatured?
An enzyme becomes denatured when: A) the temperature exceeds the optimum temperature for that enzyme (ie the temperature that it works best at) B) the pH of the surrounding of the enzyme is too low or too high for the optimum pH for that enzyme. When enzymes are heated up too much they vibrate so vigorously that the bonds holding the protein structure in its specific shape becomes broken. The enzyme shape changes and the substrate no longer fits in to the active site. An enzyme which has become denatured is permanently inactive and will take no further part in reactions.
Why does sucrase not hydrolyse lactose?
"because the reaction is to slow to make an effect, if a enzyme is added then it can hydrolyse lactose but it can take more than 6 years without the addition of an enzyme" Is bull**** the real answer is because the active site of the two substances are different and so the sucrase becasue Lactose has a different shape/structure which does not fit/bind to active site of enzyme/sucrase.
What is an enzyme considered because of its ability to recognize the shape of a particular molecule?
An enzyme is considered a substrate-specific catalyst because it is able to recognize and bind to a specific substrate molecule due to the complementary shape of their active sites. This specificity allows enzymes to efficiently catalyze chemical reactions by facilitating the formation of enzyme-substrate complexes.
Why are enzymes three dimensional shape so important?
An enzyme's three dimension shape is important to the binding that occurs between the enzyme itself and its specific substrate, forming the enzyme-substrate complex. In order for the enzyme to create a reaction it is important that the shape of the enzyme binds the substrate to the active site where the chemical reaction occurs. One other thing to consider is the shape that the enzyme takes that allows only its specific substrate to bind and not any other molecule.
Who does the substrate work on enzyme action?
The substrate is the molecule on which the enzyme acts. It binds to the active site of the enzyme, leading to catalysis of the chemical reaction. The shape and chemical properties of the substrate are important in determining which enzyme can act on it.
What is the portion of the enzyme that will bind onto a specific substance?
The active site of an enzyme is the specific portion that binds onto a substrate molecule. This is where the chemical reaction catalyzed by the enzyme takes place. The active site is typically a small crevice or pocket on the enzyme protein that is complementary in shape to the substrate molecule.
The special region of an enzyme that joins with the substrate?
The active site is the specific region of an enzyme that binds to the substrate molecule. This is where the chemical reaction catalyzed by the enzyme takes place. The active site is typically a pocket or groove on the enzyme's surface that is complementary in shape to the substrate molecule.
Why is hair not an enzyme?
Hair like enzymes are made of protein. However for a protein to be an enzyme it must have a very specific tertiary structure (shape) and have an active site that has a complementary shape to part of its substrate molecule. ie the enzyme must fit with the thing that it breaks down The tertiary sructure of hair is not highly folded and does not have a complementary shape to a substrate molecule therefore it is not an enzyme
What is the part of the enzyme called that has a specific shape to fit with a specific substrate?
The part of the enzyme with a specific shape to bind with a specific substrate is called the active site. This is where the enzyme and substrate interact to form an enzyme-substrate complex, leading to catalysis of the reaction. The specificity of this interaction is crucial for the enzyme to carry out its biological function.
Substance that enzyme act upon?
Enzymes act upon specific molecules called substrates. Each enzyme has a unique shape that allows it to bind to a specific substrate, facilitating a chemical reaction to occur. This specific binding of enzyme to substrate is key to the enzyme's ability to catalyze reactions in living organisms.
What happens after a substrate binds to an enzyme?
When a substrate binds to an enzyme, they form an enzyme-substrate complex. This binding lowers the activation energy required for the reaction to occur, making it easier for the reaction to proceed. Once the reaction is complete, the products are released and the enzyme is free to catalyze another reaction.
An enzyme may react with several substrate chemicals simultaneously?
An enzyme typically binds to one substrate at a time due to its specific active site that complements the shape of the substrate molecule. This specificity allows for efficient catalysis of a particular reaction. However, some enzymes may catalyze reactions involving multiple substrates by forming a complex with them sequentially.
Where on a enzyme does a substrate bond to?
Substrates typically bind to the active site of an enzyme, which is a specific region where the chemical reaction takes place. The active site has a specific shape that fits the substrate molecule, allowing for precise and efficient catalysis.
The particular region of an enzyme molecule that combines with the substrate it acts upon is called what?
The region of an enzyme molecule that combines with the substrate is called the active site. This is where the substrate binds and the catalytic reaction takes place. The specific shape and chemical properties of the active site allow for the enzyme to interact with its substrate in a highly specific manner.
