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The tongue is the only part of the body that can produce enzymes
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How does initial concentration of substrate effect enzyme activity?
At low concentration of substrate , rate of enzyme action is directly proportional to conc. of substrate .
What is the relationship between substrate concentration and enzyme activity?
At low substrate concentrations, the rate of enzyme activity is proportional to substrate concentration. The rate eventually reaches a maximum at high substrate concentrations as the active sites become saturated.
What happens if the enzyme concentration is low?
An enzyme can overcome the presence of a competitive inhibitor by increasing the substrate concentration The reaction rate falls direct propartional to the concentration fall (which is the result of that same reaction). This is called 'first order reaction rate'.
How do glucose biosensors work?
-enzyme immobilised(in biosensor ) -H+ ions released (from gluconic acid) -give positive charge -current flows -size of current proportional to concentration of H+/glucose -low reading (when blood tested) indicates,hypoglycaemia/ low blood glucose concentration. -Or reverse arguments.
What happens when there is a low water concentration outside of a cell?
The water inside the cell goes with the low concentration to reach equilibrium.
How does initial concentration of substrate effect enzyme activity?
At low concentration of substrate , rate of enzyme action is directly proportional to conc. of substrate .
What is the relationship between substrate concentration and enzyme activity?
At low substrate concentrations, the rate of enzyme activity is proportional to substrate concentration. The rate eventually reaches a maximum at high substrate concentrations as the active sites become saturated.
What happens if the enzyme concentration is low?
An enzyme can overcome the presence of a competitive inhibitor by increasing the substrate concentration The reaction rate falls direct propartional to the concentration fall (which is the result of that same reaction). This is called 'first order reaction rate'.
Some factors that may influence enzyme activity?
A low temperature can slow down enzyme activity and high temperatures can denature an enzyme making it unusable. pH levels also affect enzyme activity. Every cell has an ideal temperature and pH
The effect of substrate concentration on the rate of reaction of h202 and catalase?
As the substrate concentration increases, so will the enzyme activity and hence there will be a quick reaction. however, only up to a certain point ( where, if you drew a graph of the reaction, the line will level off ) as all the active sites in the enzyme are occupied and the reaction cannot go any faster. Here more enzymes will be needed to speed up the reaction.
When molecules move down the concentration gradient it means they are moving from high to low or low to high?
An area of higher concentration to an area of lower concentration.
Does endocytosis go from a high to low or low to high concentration?
Exocytosis goes from high to low concentration.
How do glucose biosensors work?
-enzyme immobilised(in biosensor ) -H+ ions released (from gluconic acid) -give positive charge -current flows -size of current proportional to concentration of H+/glucose -low reading (when blood tested) indicates,hypoglycaemia/ low blood glucose concentration. -Or reverse arguments.
Where is the concentration low?
A concentration is low at any point where it is not high or medium.
In diffusion are molecules drawn to area of high or low concentration?
low concentration
Does endocytosis go from low to high or high to low concentration?
Exocytosis goes from high to low concentration.
What happens when there is a low water concentration outside of a cell?
The water inside the cell goes with the low concentration to reach equilibrium.
