CSS :: Respiratory System Physiology
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61. |
The enzyme converting glucose into glucose-6-phosphate during activation stage of Glycolysis is: |
A. |
Glucokinase |
B. |
Phosphoglucomutase |
C. |
Glucoisomerase |
D. |
None of these |
Answer: Option A
Explanation:
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62. |
At the end of cleavage stage in Glycolysis we get: |
A. |
One molecule of 3-phosphoglyceraldehyde |
B. |
One molecule of dihydroxy acetone phosphate |
C. |
Both (a) & (b) |
D. |
None of these |
Answer: Option C
Explanation:
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63. |
Enzyme bringing conversion of dihydroxy acetone phosphate into 3-phosphoglyceraldehyde is: |
A. |
Triose phosphate isomerase |
B. |
Aldolase |
C. |
Glyceromutase |
D. |
Triose mutase |
Answer: Option A
Explanation:
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64. |
Enzyme bringing coversion of 3-phosphoglyceric acid into 2-phosphoglyceric acid is: |
A. |
Aldolase |
B. |
Phosphoglyceric mutase |
C. |
Enolase |
D. |
None of these |
Answer: Option B
Explanation:
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65. |
Which of these enzymes is responsible for conversion of 2-phosphoglyceric acid into phosphoenolpyruvic acid: |
A. |
Enolase |
B. |
Aldolase |
C. |
Glycerokinase |
D. |
Glyceromutase |
Answer: Option A
Explanation:
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66. |
At the end of Glycolysis how many molecules of ATP are synthesized: |
A. |
One molecule of 3-phosphoglyceraldehyde |
B. |
Two molecules |
C. |
Three molecules |
D. |
Four molecules |
Answer: Option D
Explanation:
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67. |
Which of these substances are initially required to start Kerb's cycle: |
A. |
Acetyl CoA |
B. |
Oxaloacetic acid |
C. |
Both of these |
D. |
None of these |
Answer: Option C
Explanation:
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68. |
To start the kreb's cycle, the pyruvic acid formed during Glycolysis is converted into: |
A. |
Acetyl CoA which reacts with oxaloacetic acid to form citric acid |
B. |
Alpha-ketogluteric acid which forms oxaloacetic acid |
C. |
Lactic acid that forms CO2 and H2O |
D. |
None of these |
Answer: Option A
Explanation:
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69. |
During cellular respiration the electrons are received by which of the following substances: |
A. |
NAD |
B. |
FAD |
C. |
Cytochromes |
D. |
All of these |
Answer: Option D
Explanation:
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70. |
Acetyl CoA used normally in Kreb's cycle is derived from pyruvic acid but it can also be formed from: |
A. |
Fatty acids |
B. |
Amino acids |
C. |
Both (a) & (b) |
D. |
None of them |
Answer: Option C
Explanation:
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