Biology
Enzymes
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#17 All of the following refers to the non protein part of enzyme except
A) Co-factor
B) Apo-enzyme
C) Prosthetic group
D) Co-enzyme
Answer: B
#18 Enzymes are basically:
A) Proteins
B) Carbohydrates
C) Hydrocarbons
D) None of the above
Answer: A
#19 All of the following are characteristics of enzymes EXCEPT:
A) They increase the activation energy
B) They are specific in action
C) They possess specific active site
D) They possess the dimensional shapes
Answer: A
#20 All of the following are co-enzymes except:
A) NAD
B) FAD
C) NADP
D) ADP
Answer: D
#21 Which of the following is an inactive enzyme without its cofactor?
A) Coenzyme
B) Apoenzyme
C) Holoenzyme
D) Denatured enzyme
Answer: B
#22 The optimum pH of enzyme maltase is:
A) 4.5
B) 5.5
C) 6.1 – 6.8
D) 6.7 – 7
Answer: C
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