Trivia Quiz On Enzymes In Biochemistry

Questions : 12 | Total Attempts: 941 | Recent Updated: 05-Mar-2020
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Enzymes are biological catalysts that increase the rate of biological reactions occurring in the body while being themselves unchanged. All chemical reactions within cells are catalyzed by enzymes. These act as biocatalysts of the cells. They reduce the activation energy for the reaction, thereby increasing the reaction rate. But they do not affect the equilibrium. All enzymes are made up of proteins. But in addition to protein, there are also non-protein substances. Such an enzyme is known as Holozyme or Holoenzyme. Let's know more about Enzymes.

Questions Excerpt


1. Enzymes are known to catalyze more than ----------------- biochemical reaction types.

A. 5,0 biochemical

B. 5,00 biochemical

C. 5,000 biochemical

D. 5,0000 biochemical

2. Enzymes' specificity comes from their unique ------------dimensional structures.

A. One-dimensional

B. Two-dimensional

C. Three-dimensional

D. Four-dimensional

3. Like all catalysts, how do enzymes increase the reaction rate?

A. Lowering activation energy

B. Increase activation energy

C. Constent activation energy

D. None of these

4. What does the protein portion of holoenzyme say?

A. Apoenzyme

B. Cofactor

C. Coenzymes

D. All of the above

5. Apoenzyme + Cofactor =?

A. Holoenzyme

B. Pyruvate kinase

C. Carbonic anhydrase

D. None of these

6. Coenzymes are organic-------------- molecules.

A. Protein

B. Non-protein

C. Both of the above

D. None of these

7. What is it called adding to the apoenzyme that makes the enzyme functional?

A. Activator

B. Prosthetic group

C. Coenzymes

D. All of the above

8. who is the founder of the enzyme?

A. Anselme Payen

B. Friedrich Wöhler

C. Martinus Beijerinck

D. Rudolf Clausius

9. When was an enzyme found?

A. In 1833

B. In 1834

C. In 1835

D. In 1836

10. Which of the following is known as the father o?f Enzymes?

A. Howard F

B. Loomis

C. Jr Payen

D. None of these

11. Which are the Cofactors of enzymes?

A. Alcohol dehydrogenase Zn2+

B. Lactate dehydrogenase Zn2+

C. Glutamate dehydrogenase Zn2+

D. All of the above

12. Due to what nature can the coenzyme be separated from the holoenzyme by dialysis?

A. Substrate Specificity

B. Colloidal Nature

C. Group Specificity

D. All of the above

 

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