Which one of the following statements about enzymes is true ?
1. Enzymes are proteins whose shape does not help in their functions.
2. Enzymes lower the reaction rate by lowering the activation energy
3. Enzymes do not show a high specificity during biological reactions.
4. Enzyme activity is affected by the change in temperature and pH

Which one of the following is a true statement about enzyme?

Which one of the following statements is not true about enzymes?

True or False Enzymes act by lowering the activation energy.

What do the enzymes do, lower or increase the activation energy ?

Which of the following statement is correct about the mechanism of an enzyme-catallysed 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.

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.

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.