In Krebs' cycle GTP is formed in

1. substrate level phosphorylation

2. oxidative phosphorylation

3. non-cyclic photophosphorylation

4. cyclic photophosphorylation

Subtopic:  Kreb's Cycle |
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In respiration from 180g of glucose which of the following is formed?

1. 264gm CO2+190gm H2O+391 Kcal

2. 264gm CO2+108gm H2O+686 Kcal

3. 390gm CO2+108gm H2O+686 Kcal

4. 390gm CO2+ 264gm H2O+391 Kcal

Subtopic:  Glycolysis |
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Glycolysis is found in cytoplasm of virtually all types of aerobic/anaerobic cells. In this

process, glucose is converted into :

1. PEP

2. acetyl CoA

3. pyruvic acid

4. citric acid.

Subtopic:  Glycolysis |
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Which of the following is the connecting link between glycolysis and Krebs cycle?
(1) Acetyl Co-A

(2) Oxalosuccinic acid

(3) Pyruvic acid

(4) Citric acid 

Subtopic:  Kreb's Cycle |
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The enzyme decarboxylase catalyses the following step
(1) conversion of citric acid to cis aconitic acid

(2) fumaric acid to malic acid

(3) oxalosuccinic acid to o-ketoglutaric acid

(4) malic acid to oxaloacetic acid.

Subtopic:  Kreb's Cycle |
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Which of the following is true regarding the given electron transport chain?
CoQ Cyt c Cyt aa3O2(a) CoQ Cyt c is H+ absorbing site.(b) aa3  O2, H+ yielding site.(c) CoQ  Cyt c is H+ yielding site and aa3O2 is H+ absorbing site.(d) No H+ is absorbed or released

Subtopic:  ETS:2 | ETS:1 | ETS |
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After glycolysis, fate of glucose in mitochondrial matrix is

(1) oxidation

(2) reduction

(3) oxidative decarboxylation

(4) hydrolysis.

Subtopic:  Glycolysis Regulation |
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Which enyme helps in transfer of phosphate group from ATP to carbohydrate?

(1) Phosphate

(2) ATPase

(3) Phosphorylase

(4) Catalase

Subtopic:  Glycolysis Regulation |
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Which one is correct sequence occuring in glycolysis?
(1) G-6-P PEP 3-PGAL 3-PGA

(2) G-6-P 3-PGAL  3-PGA PEP

(3) G-6-P PEP 3-PGA 3-PGAL

(4) G-6-P 3-PGA 3-PGAL PEP

Subtopic:  Glycolysis |
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In which of the following reactions of glycolysis, a molecule of water is removed from the substrate?
(a) Glucose  Glucose-6-phosphate
(b) Fructose-6-phosphate  Fructose-1,6 bisphosphate
(c) 2-phosphoglycerate Phosphoenol pyruvate
(d) Phosphoenol pyruvate Pyruvate

Subtopic:  Glycolysis |
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