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Test Index
Biomolecules Part 1
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Section:
Chemistry
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© examsnet.com
Question : 27 of 100
Marks:
+1
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C
2
H
2
2
O
1
1
Sucrose
+
H
2
O
→
Enzyme A
C
6
H
1
2
O
6
Glucose
+
C
6
H
1
2
O
6
Fructose
\underset{\text{Sucrose}}{\mathrm{C_2H_22O_11}} + \mathrm{H_2O} \xrightarrow{\text{Enzyme A}} \underset{\text{Glucose}}{\mathrm{C_6H_12O_6}} + \underset{\text{Fructose}}{\mathrm{C_6H_12O_6}}
Sucrose
C
2
H
2
2
O
1
1
+
H
2
O
Enzyme A
Glucose
C
6
H
1
2
O
6
+
Fructose
C
6
H
1
2
O
6
C
6
H
1
2
O
6
Glucose
→
Enzyme B
2
C
2
H
5
O
H
Ethanol
+
2
C
O
2
\underset{\text{Glucose}}{\mathrm{C_6H_12O_6}} \xrightarrow{\text{Enzyme B}} 2 \underset{\text{Ethanol}}{\mathrm{C_2H_5OH}} + 2 \mathrm{CO_2}
Glucose
C
6
H
1
2
O
6
Enzyme B
2
Ethanol
C
2
H
5
OH
+
2
C
O
2
In the above reactions, the enzyme
A
A
A
and enzyme
B
B
B
respectively are
[17 Mar 2021 Shift 2]
amylase and invertase
invertase and amylase
invertase and zymase
zymase and invertase
Validate
Solution:
Invertase and zymase are enzyme
A
A
A
and enzyme
B
B
B
respectively. Invertase is the enzyme that catalyses the hydrolysis of sucrose with a resulting mixture of fructose and glucose, which is called inverted sugar. It cleaves the
O
−
C
\mathrm{O}-\mathrm{C}
O
−
C
bond.
C
2
H
2
2
O
1
1
Sucrose
+
H
2
O
→
Invertase
C
6
H
1
2
O
6
Glucose
+
C
6
H
1
2
O
6
Fructose
\underset{\text{Sucrose}}{\mathrm{C_2H_22O_11}} + \mathrm{H_2O} \xrightarrow{\text{Invertase}} \underset{\text{Glucose}}{\mathrm{C_6H_12O_6}} + \underset{\text{Fructose}}{\mathrm{C_6H_12O_6}}
Sucrose
C
2
H
2
2
O
1
1
+
H
2
O
Invertase
Glucose
C
6
H
1
2
O
6
+
Fructose
C
6
H
1
2
O
6
Zymase is an enzyme that catalyses the fermentation of sugar into ethanol and carbon dioxide.
C
6
H
1
2
O
6
Glucose
→
Zymase
2
C
2
H
5
O
H
Ethanol
+
2
C
O
2
\underset{\text{Glucose}}{\mathrm{C_6H_12O_6}} \xrightarrow{\text{Zymase}} 2 \underset{\text{Ethanol}}{\mathrm{C_2H_5OH}} + 2 \mathrm{CO_2}
Glucose
C
6
H
1
2
O
6
Zymase
2
Ethanol
C
2
H
5
OH
+
2
C
O
2
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