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process in which initial substrate sends signals to activate the enzyme of successive step is known as precursor activation

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What is it called when energy is required to start a chemical reaction?

An exergonic reaction is activation energy (or energy of activation). An endergonic reaction is essentially the opposite of an exergonic reaction.


What is activation effect?

Activation effect is the effect of spontaneous reactions that release energy. When reactants mix and produce a series of chemical potential energies, the outcome of the reaction results into an activation effect due to the reactions.


What can alter the activation energy if a reaction?

A catalyst alter rate of reaction by lowering the activation


What is the activation level in exothermic reaction?

What is the activation level in exothermic reaction? Read more:What_is_the_activation_level_in_exothermic_reaction


How does activation energy affect the length of a reaction?

as activation energy decreases, reaction will finish faster (length of reaction decreases)


How does activation energy affect the progress affect the progress of a reaction?

The reaction will not occur unless the activation energy is met.


Is activation energy added or just there?

Activation energy is the amount of energy that should be gained by potential reactants, for a reaction to occur. A reaction can be occurred by reducing the activation energy of the reaction or increasing the activation energy of the reactants. Activation energy should be added.


What is activation energy How does a catalyst affect activation energy?

Activation energy is the energy required by a reaction for the reaction to occur. The catalyst lowers the activation energy, making it easier for the reaction to happen.Improvement:A catalyst don't lowers the activation energy. A catalyst creates a alternative route (*) for the same reaction with a lower activation energy.* = as a result of the interaction of the reagents with the catalyst.


What does an enzyme do to the activation energy needed to start a chemical reaction?

Enzymes are catalysts, they reduce the activation energy.


How does the additions of a catalyst affect the energy of activation of a chemical reaction?

A catalyst changes the reaction mechanism to one with a lower activation energy; activation energy is lowered when a catalyst is added


What it the term used to describe the energy needed to get a reaction started?

The energy needed to get a reaction started is called activation energy.


What does the activation energy for a reaction represent?

Activation energy is the amount of energy needed to start a reaction.