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Parts of the enzyme molecule that interact with a substrate are called?
active sites
What are the deep folds in an enzyme called?
The deep folds in an enzyme are called active sites. These are specific regions where substrate molecules bind and chemical reactions take place. Active sites are crucial for enzyme function and specificity.
What will happen if the substrate concentration is high?
If the substrate concentration is high, the rate of enzyme-substrate complex formation will increase until all enzyme active sites are saturated, which is known as enzyme saturation. This means that the rate of reaction will no longer increase with further increases in substrate concentration because all enzyme active sites are already in use.
Why am enzyme can be used to catalyst a large quantity of substrate?
Many times enzymes have multiple active sites that allow for many simultaneous reactions. For example, it's possible to have a fourth of the number of enzymes as substrate molecules, but the enzyme may have four active sites, resulting in one active site per substrate molecule.
Why histidine is often found at the active-site of enzyme?
Histidine can act as a versatile amino acid in enzyme active sites because of its ability to donate and accept protons over a wide pH range. This allows histidine to participate in various catalytic mechanisms, making it a common residue in enzyme active sites. Additionally, the imidazole side chain of histidine can form hydrogen bonds and coordinate with metal ions, further enhancing its role in enzyme catalysis.
Parts of the enzyme molecule that interact with a substrate are called?
active sites
What are the deep folds in an enzyme called?
The deep folds in an enzyme are called active sites. These are specific regions where substrate molecules bind and chemical reactions take place. Active sites are crucial for enzyme function and specificity.
Why would a factor that changes the shape of an enzyme prevent it from functioning?
Enzymes are biologically active molecules with specific "active sites", a good analogy is a key and its characteristic notches. If the factor modifies the enzyme's shape then the locations of the enzyme's "active sites" (notches, so to speak) may also be changed, or the sites may be deleteriously affected. Thus the functionality of the enzyme is impaired.
How does an enzyme's active sites relate to its substrate?
Their Shapes Fit Snugly Together.
Does vmax increase with increasing amount of enzyme?
No, Vmax remains constant regardless of the amount of enzyme present. Vmax represents the maximum rate of reaction that can be achieved when all enzyme active sites are saturated with substrate. Once all enzyme active sites are filled, increasing the enzyme concentration further will not increase the reaction rate.
What affect does too much substrate have on the rate of an enzyme reaction?
If there is too much substrate present, it can saturate all available enzyme active sites, leading to maximum reaction rate being reached (Vmax). Further increases in substrate concentration will not increase the reaction rate since all enzyme active sites are already occupied. This is known as enzyme saturation.
What will happen if the substrate concentration is high?
If the substrate concentration is high, the rate of enzyme-substrate complex formation will increase until all enzyme active sites are saturated, which is known as enzyme saturation. This means that the rate of reaction will no longer increase with further increases in substrate concentration because all enzyme active sites are already in use.
Why am enzyme can be used to catalyst a large quantity of substrate?
Many times enzymes have multiple active sites that allow for many simultaneous reactions. For example, it's possible to have a fourth of the number of enzymes as substrate molecules, but the enzyme may have four active sites, resulting in one active site per substrate molecule.
Why is the active site on a cell important?
Active sites are located in enzymes inside the cells. this is where the substrate binds itself to the enzyme and the reaction takes place.
Why histidine is often found at the active-site of enzyme?
Histidine can act as a versatile amino acid in enzyme active sites because of its ability to donate and accept protons over a wide pH range. This allows histidine to participate in various catalytic mechanisms, making it a common residue in enzyme active sites. Additionally, the imidazole side chain of histidine can form hydrogen bonds and coordinate with metal ions, further enhancing its role in enzyme catalysis.
At what time interval is the enzyme working at its maximum velocity?
The enzyme works at its maximum velocity at the substrate concentration where all enzyme active sites are saturated, known as Vmax. At this point, the enzyme is functioning at its optimum and adding more substrate will not increase the reaction rate.
What is an enzyme's active site?
An enzyme's active site is a groove or dip in the enzyme that is shaped for a particular substrate to attach to.
