Oxidative phosphorylation is

(1) formation of ATP by transfer of phosphate group from a substrate to ADP

(2) oxidation of phosphate group in ATP

(c) addition of phosphate group to ATP

(4) formation of ATP by energy release from electrons removed during substrate oxidation. 

Subtopic:  Oxidative Phosphorylation |
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In which one of the following processes CO2 is not released?

1. Aerobic respiration in plants

2. Aerobic respiration in animals

3. Alcoholic fermentation

4. Lactate fermentation

Subtopic:  Fermentation |
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The three boxes in this diagram represent the three major biosynthetic pathways in

aerobic respiration. Arrow represent net reactants or products

Arrows numbered 4, 8, 12 can all be 

1. NADH

2. ATP

3. H2O

4. FAD+ or FADH2

Subtopic:  Glycolysis |
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The energy-releasing metabolic process in which substrate is oxidised without an external electron acceptor is called

1. glycolysis

2. fermentation

3. aerobic respiration

4. photorespiration

Subtopic:  Fermentation |
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Aerobic respiratory pathway is appropriately termed 

1. catabolic 

2. parabolic 

3. amphibolic 

4. anabolic 

Subtopic:  Amphibolic Nature of Respiration |
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Which one of the following mammalian cells is not capable of metabolising glucose to

carbon-dioxide aerobically?

1. White blood cells

2. Unstriated muscle cells

3. Liver cells

4. Red blood cells

Subtopic:  Aerobic Respiration |
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All enzymes of TCA cycle are located in the mitochondrial matrix except one which is

located in inner mitochondrial membranes in eukaryotes and in cytosol in prokaryotes.

This enzyme is

1. lactate dehydrogenase

2. isocitrate dehydrogenase

3. malate dehydrogenase

4. succinate dehydrogenase

Subtopic:  Kreb's Cycle |
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The overall goal of glycolysis, Krebs cycle and the electron transport system is the

formation of:

1. ATP in small stepwise units

2. ATP in one large oxidation reaction

3. Sugars

4. Nucleic acids

Subtopic:  Aerobic Respiration |
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How many ATP molecules could maximally be generated from one molecule of glucose, if

the complete oxidation of one mole of glucose to CO2 and H2O yields 686 kcal and the

useful chemical energy available in the high energy phosphate bond of one mole of ATP is

12 Kcal?

1. Two 

2. Thirty

3. Fifty seven

4. One

Subtopic:  Glycolysis |
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The TCA cycle is considered as an aerobic pathway because

1. all enzymes of the cycle use molecular oxygen

2. some enzymes of the cycle require molecular oxygen

3. molecular oxygen is essential to reoxidise the coenzymes reduced during operation of

the cycle.

4. in absence of oxygen, the enzymes of TCA cycle are denatured.

Subtopic:  Kreb's Cycle |
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