MDCAT Biology Enzymes Test Mcqs Chapter 4 Online
MDCAT Biology Enzymes Chapter 04
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MDCAT Biology Enzymes Chapter 04
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Question 1 of 50
1. Question
The detachable cofactor are
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Question 2 of 50
2. Question
Enzymes belong to the one of most important group of
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Question 3 of 50
3. Question
The optimum temperature for the enzyme of the human body is
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Question 4 of 50
4. Question
Life is impossible without
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Question 5 of 50
5. Question
The optimum pH for salivary amylase Enzyme is
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Question 6 of 50
6. Question
Co-factor is a non protein part of enzyme.
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Question 7 of 50
7. Question
Enzymes are protein in nature and are highly
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Question 8 of 50
8. Question
Some enzymes are not able to work without
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Question 9 of 50
9. Question
In which form enzymes cannot function?
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Question 10 of 50
10. Question
The inactive form of Pepsin is
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Question 11 of 50
11. Question
Enzyme always react with a specific substrate because of
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Question 12 of 50
12. Question
MG+,Zn²⁺ and Cu²⁺ are detachable co-factor and known as
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Question 13 of 50
13. Question
The loosely attached non protein part of enzyme is called
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Question 14 of 50
14. Question
The catalytic site of the enzyme is that site which
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Question 15 of 50
15. Question
The enzyme without cofactor is called
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Question 16 of 50
16. Question
Induce fir model says that
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Question 17 of 50
17. Question
Enzyme play a very important role in anabolism such as
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Question 18 of 50
18. Question
Enzymes involved in cellular respiration are found in
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Question 19 of 50
19. Question
A change in pH affect the enzyme reaction rate by
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Question 20 of 50
20. Question
Which of the following enzyme has pH 2?
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Question 21 of 50
21. Question
All enzymes are ________ proteins
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Question 22 of 50
22. Question
Enzymes never change the properties of
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Question 23 of 50
23. Question
If a non protein part is covalently bonded, it is a
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Question 24 of 50
24. Question
Single enzyme can catalyze only a
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Question 25 of 50
25. Question
An enzyme with its coenzyme of prosthetic group removed
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Question 26 of 50
26. Question
Enzymes are sensitive to
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Question 27 of 50
27. Question
The enzymes that are integral part of ribosome’s catalyze
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Question 28 of 50
28. Question
Which of these is a protein digesting enzyme
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Question 29 of 50
29. Question
Each enzyme can recognize and react with special chemical substance called
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Question 30 of 50
30. Question
The active site of an enzyme is a cavity with
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Question 31 of 50
31. Question
The active site of the enzyme is made up of two definite regions binding site and
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Question 32 of 50
32. Question
The region in the active site of an enzyme that recognizes the proper substrate
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Question 33 of 50
33. Question
Which scientist proposed induce fit model in 1959
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Question 34 of 50
34. Question
Enzyme requires what type of media for their action?
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Question 35 of 50
35. Question
The rate of enzyme controlled reaction may increase
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Question 36 of 50
36. Question
Koshalnd’s induced fit model proposes that
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Question 37 of 50
37. Question
Optimum temp for enzyme action in human body is
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Question 38 of 50
38. Question
Enzymes are very sensitive to
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Question 39 of 50
39. Question
Change in pH causes
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Question 40 of 50
40. Question
What if you add more substrate to already occurring enzymatic reaction and it has no effect on the rate of reaction?
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Question 41 of 50
41. Question
The effect of temperature, which denatures enzyme
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Question 42 of 50
42. Question
The example if inhibitor is
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Question 43 of 50
43. Question
Which inhibitors block the enzyme permanently
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Question 44 of 50
44. Question
Enzymes are composed of
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Question 45 of 50
45. Question
The catalytic activity of enzymes restricted to a small portion of the structure known as
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Question 46 of 50
46. Question
In enzymatic reactions the reactant is called
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Question 47 of 50
47. Question
Non-protein part of amino acids is known as
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Question 48 of 50
48. Question
Which of the following are metal ions used as a co-factor
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Question 49 of 50
49. Question
In case of enzymes the detachable co-factor is called
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Question 50 of 50
50. Question
If the non-protein part is covalently bonded, it is known as
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