Enzymes
1 / 39
Competitive inhibitors block the entry of substrate into the active site of an enzyme. On which of the following properties of an active site does this primarily depend?
2 / 39
Optimum temperature of human body is
3 / 39
Induce fit model was proposed by
4 / 39
If an enzyme is added to a solution where its substrate and product are in equilibrium, what would occur?
5 / 39
Activation energy is ___________ by enzymes
6 / 39
Which of the following statements is (are) true about enzyme catalyzed reactions?
7 / 39
pH at which enzyme has maximum efficiency is called is
8 / 39
Optimum pH of enterokinase is
9 / 39
According to the induced fit hypothesis of enzyme catalysis, which of the following is correct?
10 / 39
Active site of enzyme is destroyed by
11 / 39
The detachable inorganic co-factor is known as
12 / 39
ES complex is converted into product by
13 / 39
A series of enzymes catalyze the reaction X → Y → Z → A. Product A binds to the enzyme that converts X to Y at a position remote from its active site. This binding decreases the activity of the enzyme. What is substance X?
14 / 39
Which one of the following is the mechanism of action of enzymes?
15 / 39
Enzymes are composed of
16 / 39
___________ is the non-protein part of an enzyme
17 / 39
Bridge between enzyme and substrate is formed by
18 / 39
Prosthetic group is bounded to enzyme by
19 / 39
The reaction rate is directly proportional to concentration of substrate at
20 / 39
The temperature at which efficiency of enzymes becomes maximum is called
21 / 39
Active site of enzyme is blocked by
22 / 39
If concentration of enzyme is increased, then number of active sites become
23 / 39
A holoenzyme consists of
24 / 39
Structure of enzyme is altered by ___________inhibitor.
25 / 39
Competitive inhibitors only occupy ___________ site
26 / 39
___________ is the substance to which enzyme is attached.
27 / 39
An apoenzyme consists of
28 / 39
Charge of active site is formed by
29 / 39
Active site of enzymes is made up of
30 / 39
Enzymes are ___________ in nature
31 / 39
Lock and key model is proposed by
32 / 39
Structure of active site is ___________ according to Fischer’s model.
33 / 39
Denaturation of enzyme means
34 / 39
Reversible inhibitors are attached to active site by
35 / 39
Increasing the substrate concentration in an enzymatic reaction could overcome which of the following?
36 / 39
If concentration of enzymes is increased, then rate of reaction to
37 / 39
Enzymes for protein synthesis are present is
38 / 39
The active site of an enzyme is the region that
39 / 39
Which curve represents the behavior of an enzyme taken from a bacterium that lives in hot-springs
Your score is
Restart quiz
