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What will most likely change when an enzyme is added to a reaction?
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What has no effect on the rate of an enzyme-catalyzed reaction?
When an enzyme is saturated the amount of substrate added no longer as an effect on the rate of the reaction.
What changes did you observe in the enzyme reaction and control reaction conical tubes during the time that the reaction was occurring?
You were supposed to observe a change in coloration from the base with added products being made.
What chemical inhibitors are often used. And what chemical reactions are they used in?
An inhibitor is a substance added in a system with the goal to decrease the rate of reaction. Example: inhibitors added to decrease the rate of corrosion, inhibitors in drugs the decease the activity of an enzyme, etc.
How can the enthalpy change be determined for a reaction in an aqueous solution?
Utilizing a thermometer to measure the temperature change of the solution can be used (along with the mass of the reactant(s)) to determine the enthalpy change for an aqueous reaction, as long as the reaction is carried out in a calorimeter or similar apparatus so that no external heat is added or removed from the system.
What is a catayst?
In chemistry a catalyst is a substance which, when added to other substances, allows them to change while itself remaining unchanged.
What will most likely happened if an appropriate enzyme is added to a chemical reaction?
The enzyme will act as a catalyst, a compound that lowers that activation energy of the reaction, and therefore, increase the rate of the reaction.
Why is the secondary antibody used in an ELISA test conjugated with an enzyme?
So that when the substrate is added, the reaction between the enzyme and the substrate will cause a change in color
What has no effect on the rate of an enzyme-catalyzed reaction?
When an enzyme is saturated the amount of substrate added no longer as an effect on the rate of the reaction.
What changes did you observe in the enzyme reaction and control reaction conical tubes during the time that the reaction was occurring?
You were supposed to observe a change in coloration from the base with added products being made.
What are two factors that are affected when an enzyme is added to a chemical reaction?
- with enzymes the rate of reaction is higher- an important characteristic of an enzyme is the specifity
What could have caused curve B to be different from curve A?
an enzyme could have been added to reaction b
What will happen when yeast is added to a solution of lactose?
Since yeast will only have a reaction when it is able to break down an enzyme nothing will happen when it is added to lactose. Lactose does not contain the proper enzymes or glucose to cause a reaction.
Name one reaction were ATP is required?
The first reaction of glycolysis, where glucose is phosphorylated (a phosphate group is added) to give glucose - 6 - phosphate requires ATP. This reaction is catalyzed by the enzyme hexokinase
If a base is added gradually to a solution with a pH of 6 containing enzyme C and its substrate the rate of action of enzyme C would most likely?
(2) increase, then decrease
What can you do to regain the activity of the enzyme?
The enzyme is inactive at this point. New enzyme must be added to regain enzyme activity
What happens when potassium iodide is added to ammonium carbonate?
no reaction/no change
Why did glucose test strip change colour after saliva was added?
chemical reaction
