Enzymes catalyse the biochemical reactio...

Enzymes catalyse the biochemical reactions by ____ the activation energy.

Lowering the activation energy

Increasing the activation energy

Establishing stable bonds with substrate

Increasing temperature

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Enzymes are biocatalysts. They catalyse biochemical reaction. In general they reduce activation energy of reactions. Many physico-chemical processes are enzyme mediated. Some examples of enzyme mediated reactions are given below. Tick the wrong entry

An enzyne accelarates a biochemical reaction by

Enzymes catalyse reactions by

How do enzymes catalyse a chemical reaction in the living system ?

[A] : Enzymes are proteins which catalyse biochemical reactions . [R] : The enzyme itself is unchanged in the reaction , its presence allows the reaction to take place .

The enzyme DNA dependent RNA polymerase catalyses the polymerisation reaction in ________ direction .

Rate of a reaction increases by 10^6 times when a reaction is carried out in presence of enzyme catalyst at same temperature. Determine change in activation energy.

Discuss 'Enzymes lower the activation energy'.

An enzyme catalyses a reaction by activation energy of the reaction .

Which of the following statements about enzymes are correct ? (i) Enzymes do not alter the overall change in free energy for a reaction. (ii) Enzymes are proteins whose three dimensional energy. (iii) Enzymes speed up reactions by lowering activation energy. (iv) Enzymes are highly specific for reactions. (v) The energy input needed to start a chemical reaction is called activation energy.

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