Take This Quiz On Enzymes! thumbnail
Take This Quiz On Enzymes! thumbnail

Take This Quiz On Enzymes!

3rd - University grade
Played 2 times
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Preview (20 questions)
1 Question
30 seconds
Q.

An enzyme acts by ________ the activation energy.


Increasing

Reducing

2 Question
30 seconds
Q.

Enzymes are made Up of ______.


Fats

Proteins

Vitamins

3 Question
30 seconds
Q.

The coenzyme of riboflavin (B2) is ____ and _____.


NAD, NADP

Thiamine, Coenzyme A

FAD, FMN

4 Question
30 seconds
Q.

The enzyme secreted by pancreas is ________.


Trypsin

Pepsin

Chymotrypsin

5 Question
30 seconds
Q.

What takes part in the digestion of Starch?


Protein

Diastase

Amino acids

6 Question
30 seconds
Q.

________ is a complex of enzymes involved in alcoholic fermentation.


Zymase

Lipase

Invertase 

7 Question
30 seconds
Q.

Name the vitamin that is associated with the coenzyme Biocytin.


Nicotinic acid

Thiamine

Biotin

8 Question
30 seconds
Q.

The modulator is an Enzyme precursor.


True

False

9 Question
30 seconds
Q.

______ is an enzyme that joins the ends of two nucleic acid strands.


Polymerase

Ligase

Synthetase

10 Question
30 seconds
Q.

Which of the following enzyme was first isolated and purified in the form of crystals?


Urease

Pepsin

Amylase

11 Question
30 seconds
Q.

Enzymes alter the overall change in free energy for a reaction.


True

False

12 Question
30 seconds
Q.

Which enzyme is responsible for forming the phosphodiester bond between nucleotide base pairs.


Ribonuclease

DNA ligase

Maltase

13 Question
30 seconds
Q.

Name the enzyme that hydrolyses starch to maltose.


Amylase

Lactase

Maltase

14 Question
30 seconds
Q.

Which model is made for the interaction of enzymes and substrates?


Fluid mosaic model

Induced fit model

Lock and key model

15 Question
30 seconds
Q.

The optimum temperature for enzymatic activities in a human body is ____ degrees celsius.


20

32

37

16 Question
30 seconds
Q.

The optimal pH for pepsin activity is ____.


0.1

1.4

4

17 Question
30 seconds
Q.

Cofactor and coenzymes are the parts of the ________.


Holoenzyme

Biochemical reaction

Cells

18 Question
30 seconds
Q.

The zinc cation is a cofactor of the enzyme ________ it is required for enzyme catalysis.


Phosphatase

Chymotrypsin

Maltase

19 Question
30 seconds
Q.

The primary function of phosphorylase is to transfer inorganic phosphate.


True

False

20 Question
30 seconds
Q.

Name the reaction that is catalyzed by Lyase.


Transfer of group from one molecule to another

Formation of bonds

Breaking of bonds